View source for Sean Astin

{{Short description|American actor (born 1971)}}
{{Use American English|date=October 2025}}
{{Use mdy dates|date=October 2025}}
{{Infobox officeholder
| name               = Sean Astin
| image              = Sean Astin (27506939735) (cropped).jpg
| alt                = <!-- descriptive text for use by speech synthesis (text-to-speech) software -->
| caption            = Astin at the 2016 [[Phoenix Fan Fusion|Phoenix Comicon Fan Fest]]
| office             = 4th [[SAG-AFTRA#Leadership history|National President of SAG–AFTRA]]
| term_start         = September 12, 2025
| predecessor        = [[Fran Drescher]]
| birth_name         = Sean Patrick Duke
| birth_date         = {{birth date and age|1971|2|25}}
| birth_place        = [[Santa Monica, California]], U.S.
| education          = {{ubl|[[University of California, Los Angeles]] ([[Bachelor of Arts|BA]])|
[[American University]] ([[Master of Public Administration|MPA]])([[Master of Public Policy|MPP]])}}
| alma_mater         = 
| occupation         = Actor
| spouse             = {{marriage|Christine Harrell|July 11, 1992}}
| party              = [[Democratic Party (United States)|Democratic]]
| children           = 3
| parents            = {{unbulleted list|[[Patty Duke]] (mother)|[[John Astin]] (adoptive father)}}
| relatives          = [[Mackenzie Astin]] (brother)<br>[[Alexander Astin]] (adoptive uncle)<br>[[Allen V. Astin]] (adoptive grandfather)
| module = 
  {{Infobox person
| child=yes
| years_active       = 1981–present
}}
| website            = {{URL|seanastin.com}}
}}
'''Sean Patrick Astin''' ({{ne|'''Duke'''}}; born February 25, 1971) is an American actor and trade union leader, who serves as the 4th national president of [[SAG-AFTRA]].<ref name="elected">{{cite web |last1=Fuster |first1=Jeremy|date=September 12, 2025 |title=Sean Astin Elected SAG-AFTRA President |url=https://www.thewrap.com/sean-astin-elected-sag-aftra-president/ |website=thewrap.com |publisher=[[TheWrap]] |access-date=September 15, 2025}}</ref><ref name=astinelected>{{cite news|url=https://deadline.com/2025/09/sean-astin-elected-sag-aftra-president-1236530416/|title=Sean Astin Elected To Succeed Fran Drescher As SAG-AFTRA National President; Michelle Hurd Wins Secretary-Treasurer|first=Katie|last=Campione|publisher=Deadline Hollywood|date=September 12, 2025|accessdate=September 12, 2025}}</ref> He began his career as a child actor, making his film debut as Mikey Walsh in ''[[The Goonies]]'' (1985), followed by significant roles as Billy Tepper in ''[[Toy Soldiers (1991 film)|Toy Soldiers]]'' (1991), Dave Morgan in ''[[Encino Man]]'' (1992), [[Daniel Ruettiger]] in ''[[Rudy (film)|Rudy]]'' (1993), and [[Samwise Gamgee]] in [[The Lord of the Rings (film series)|''The Lord of the Rings'' trilogy]] (2001–2003). 

He is known to television audiences for portraying [[Lynn McGill]] on the fifth season of ''[[24 (TV series)|24]]'' (2006), the voice of Oso in ''[[Special Agent Oso]]'' (2009–2012), the voice of [[Raphael (Teenage Mutant Ninja Turtles)|Raphael]] on ''[[Teenage Mutant Ninja Turtles (2012 TV series)|Teenage Mutant Ninja Turtles]]'' (2012–17), and [[Bob Newby]] on the second season of ''[[Stranger Things]]'' (2017).<ref>{{cite magazine| url=https://variety.com/2018/tv/features/stranger-things-sean-astin-scene-stealer-interview-1202830814/| title=Sean Astin Talks 'Stranger Things': 'Bob Newby Was Tailor-Made for Me'| first=Joe| last=Otterson| date=June 7, 2018| access-date=December 30, 2018| magazine=[[Variety (magazine)|Variety]]| archive-url=https://web.archive.org/web/20181029071536/https://variety.com/2018/tv/features/stranger-things-sean-astin-scene-stealer-interview-1202830814/| archive-date=October 29, 2018| url-status=live}}</ref>

Astin's acting awards include a [[Screen Actors Guild Award]] and two [[Young Artist Award]]s. He was also nominated for the [[Academy Award for Best Live Action Short Film]] in 1994 for the short film ''Kangaroo Court''. Astin is the son of actress [[Patty Duke]] and was adopted in 1972 by her then-husband, actor [[John Astin]].

Astin ran for president of SAG-AFTRA in 2025 and was elected for a two-year term. His term began in September 2025.<ref name="elected"/>

== Early life and education ==
Astin was born in [[Santa Monica]], California, on February 25, 1971, the son of actress [[Patty Duke]] (1946–2016) and Michael Tell (1944/1945–2025).<ref>{{cite encyclopedia |url=http://www.encyclopedia.com/article-1G2-3448800020/astin-sean-patrick-1971.html |title=Astin, Sean (Patrick) |encyclopedia=Encyclopedia.com |access-date=March 15, 2015 |archive-url=https://web.archive.org/web/20160307091652/http://www.encyclopedia.com/article-1G2-3448800020/astin-sean-patrick-1971.html |archive-date=March 7, 2016 |url-status=live }}</ref><ref>{{cite web |url=http://www.seanastin.com/bio |title=Personal Biography |website=seanastin.com |access-date=March 15, 2015 |archive-url=https://web.archive.org/web/20150315100739/http://www.seanastin.com/bio/ |archive-date=March 15, 2015 |url-status=live }}</ref><ref>{{cite web |url=http://www.ign.com/stars/sean-astin |title=Sean Astin profile |website=[[IGN]] |access-date=March 15, 2015 |url-status=dead |archive-url=https://web.archive.org/web/20150227012231/http://www.ign.com/stars/sean-astin |archive-date=February 27, 2015 }}</ref><ref name=biologicalfahtermichaeltell>{{cite news |url=https://www.reviewjournal.com/local/local-las-vegas/michael-tell-concert-promoter-turned-chronicler-of-las-vegass-jewish-community-dies-at-80-3349282/ |title=Michael Tell, concert promoter-turned-chronicler of Las Vegas's Jewish community, dies at 80 |date=April 9, 2025 |first=Ricardo |last=Torres-Cortez |newspaper=[[Las Vegas Review-Journal]] |access-date=September 13, 2025 }}</ref> At the time, it was incorrectly reported that entertainer [[Desi Arnaz Jr.]] was his [[Paternity (law)|biological father]]. Tell was a writer, [[Promoter (entertainment)|music promoter]], and publisher of the newspaper ''The Las Vegas Israelite''. When Duke became pregnant, she was unsure whether Tell, Arnaz or actor [[John Astin]] was the father, and Tell offered to marry her as a way out of the scandal.<ref>{{cite book|last=Duke|first=Patty|author2=Kennen Turan|title= Call Me Anna: The Autobiography of Patty Duke|publisher=Bantam Books|year=1987|page=[https://archive.org/details/callmeannaautobi00duke/page/231 231]|url=https://archive.org/details/callmeannaautobi00duke|url-access=limited|isbn=0-553-27205-5}}</ref> The marriage lasted only 13 days in 1970, ending before Astin was born.<ref name=ABCNews>{{cite news |url=https://abcnews.go.com/2020/story?id=124246 |title=Sean Astin's childhood with Patty Duke |work=[[ABC News (United States)|ABC News]] |date=July 31, 2004 |access-date=May 20, 2017 |archive-url=https://web.archive.org/web/20170812060025/https://abcnews.go.com/2020/story?id=124246 |archive-date=August 12, 2017 |url-status=live }}</ref><ref name="Astin">{{cite web |title=Sean Astin Q&A at GenCon 2003 |website=TheOneRing.net |date=August 1, 2003 |url=http://www.theonering.net/torwp/2003/08/01/25478-sean-astin-qa-at-gencon-2003-2 |access-date=December 13, 2006 |archive-url=https://web.archive.org/web/20081222001054/http://www.theonering.net/torwp/2003/08/01/25478-sean-astin-qa-at-gencon-2003-2/ |archive-date=December 22, 2008 |url-status=live }}</ref><ref name="Astin2">{{cite news |title=I don't want to play the fat guy or the friend all my life |work=[[The Guardian]] |date=December 19, 2003 |url=https://www.theguardian.com/film/2003/dec/19/lordoftherings.features|access-date=February 24, 2020|location=London |first=Victoria |last=Barrett |archive-url=https://web.archive.org/web/20060828121324/http://film.guardian.co.uk/interview/interviewpages/0,,1110603,00.html |archive-date=August 28, 2006 |url-status=live}}</ref>

In 1972, Duke married John Astin. When the wedding guests were invited to speak, 18-month-old Astin looked at John and cried, "Daddy!", to which the [[Episcopal Church (United States)|Episcopal]] priest performing the ceremony remarked, "Well, that about does it!"<ref>{{cite magazine |last=Armstrong |first=Lois |date=October 17, 1977 |url=https://people.com/archive/for-taming-precocious-patty-duke-john-astin-is-a-miracle-worker-vol-8-no-16/|title=For Taming Precocious Patty Duke, John Astin Is a Miracle Worker|magazine=[[People (magazine)|People]]|volume=8|issue=16 |access-date=February 24, 2020|archive-url=https://web.archive.org/web/20150924135545/http://www.people.com/people/archive/article/0,,20069312,00.html |archive-date=September 24, 2015 |url-status=live }}</ref> John subsequently adopted Sean. In 1973, Duke gave birth to Astin's brother [[Mackenzie Astin]], who also became an actor. Duke and John Astin divorced in 1985.<ref name=Bio.>{{cite web |url=http://www.biography.com/people/patty-duke-9542536 |title=Patty Duke Biography |publisher=[[FYI (American TV channel)|Biography channel]] |access-date=March 15, 2015 |archive-url=https://web.archive.org/web/20150331002241/http://www.biography.com/people/patty-duke-9542536 |archive-date=March 31, 2015 |url-status=live }}</ref> Duke married Mike Pearce in 1986,<ref name=ABCNews/> and they adopted a son, Kevin, in 1989.<ref name=Bio./> When Astin was 14, Duke told him that Arnaz was his biological father. Almost a decade later, in 1994, Astin met Tell's niece, who suggested that Astin get a [[Genetic testing|paternity test]]. Tell was found to be his biological father.<ref name=peopleHF>{{cite news |url=https://people.com/archive/hobbit-forming-vol-57-no-1/|title=Hobbit Forming |date=January 14, 2002 |access-date=February 24, 2020|magazine=People |last1=Dam |first1=Julie K.L |first2=Julie |last2=Jordan |quote=DNA tests ... proved Tell to be his father. |archive-url=https://web.archive.org/web/20160107021156/http://www.people.com/people/archive/article/0,,20136188,00.html |archive-date=January 7, 2016 |url-status=live }}</ref> Astin developed close relationships with all three, saying: "Desi Arnaz Jr. loves me, and I love him." Astin considers John his father, as John raised him. Astin is also close to his stepfather, Mike Pearce, saying, "I can call any of them on the phone any time I want to. John, Desi, Mike, or Papa Mike ... my four dads."<ref name=ABCNews/>

Astin is of [[German American|German]] and [[Irish American|Irish]] ancestry through his mother, and Jewish ancestry through his biological father.<ref>{{cite web |url=http://www.theonering.net/torwp/2003/08/01/25478-sean-astin-qa-at-gencon-2003-2 |title=Sean Astin Q&A at GenCon 2003 |series=Hobbit Movie News and Rumors |publisher=TheOneRing.net |date=August 1, 2003 |access-date=May 28, 2012 |archive-url=https://web.archive.org/web/20120409024201/http://www.theonering.net/torwp/2003/08/01/25478-sean-astin-qa-at-gencon-2003-2/ |archive-date=April 9, 2012 |url-status=live }}</ref><ref>{{cite web |url=https://familysearch.org/pal:/MM9.1.1/MJ17-H9Y |title=Heritage of Michael Tell |website=[[FamilySearch]] |access-date=February 21, 2014 |archive-url=https://web.archive.org/web/20160306141236/https://familysearch.org/pal:/MM9.1.1/MJ17-H9Y |archive-date=March 6, 2016 |url-status=live }}</ref><ref>{{cite web |url=https://www.familysearch.org/ark:/61903/3:1:33S7-9RZT-9WJV?i=27&cc=1810731 |title=Heritage of Beatrice Goldstein (Michael Tell's mother) |series=United States Census |website=www.familysearch.com |date=April 14–15, 1930 |access-date=October 18, 2017}}</ref> Astin attended Catholic school and later became a [[Protestant Christianity|Protestant]].<ref name=beliefnet>{{cite web |url=http://blog.beliefnet.com/faithmediaandculture/2013/08/sean-astin-talks-about-his-eclectic-faith-journey-his-love-of-animals-and-his-role-in-an-upcoming-christian-comedy-from-the-erwin-brothers.html |title=Sean Astin talks about his eclectic faith journey, his love of animals and his role in an upcoming Christian comedy from the Erwin Brothers |last=Kennedy |first=John W. |date=August 2013 |publisher=Beliefnet |archive-url=https://web.archive.org/web/20130810113513/http://blog.beliefnet.com/faithmediaandculture/2013/08/sean-astin-talks-about-his-eclectic-faith-journey-his-love-of-animals-and-his-role-in-an-upcoming-christian-comedy-from-the-erwin-brothers.html |archive-date=August 10, 2013|access-date=January 30, 2014 |quote=JWK: I understand that you're a Presbyterian now. SA: Lutheran, technically now}}</ref>

Astin is a graduate of the [[Crossroads School (Santa Monica, California)|Crossroads High School for the Arts]] in [[Santa Monica, California|Santa Monica]] and completed master classes in acting at the [[Stella Adler Conservatory]] in Los Angeles. He attended [[Los Angeles Valley College]] before transferring [[University of California, Los Angeles|UCLA]], where he graduated ''cum laude'' with a bachelor of arts in history and English (American literature and culture).<ref>{{cite web |url=https://alumni.ucla.edu/stories/sean-astin-97/ |title=Sean Astin '97 |website=UCLA Alumni |date=May 22, 2015 |access-date=March 28, 2016 |archive-url=https://web.archive.org/web/20160409085238/https://alumni.ucla.edu/stories/sean-astin-97/ |archive-date=April 9, 2016 |url-status=live }}</ref><ref>{{Cite web |last=Steinman |first=Sharla |date=April 16, 2024 |title=Sean Astin announced as keynote speaker at UCLA College commencement ceremonies |url=https://dailybruin.com/2024/04/16/sean-astin-announced-as-keynote-speaker-at-ucla-college-commencement-ceremonies/ |access-date=August 28, 2025 |website=Daily Bruin}}</ref><ref>{{Cite web |date=April 16, 2024 |title='Lord of the Rings' star Sean Astin will be UCLA's 2024 graduation speaker |url=https://www.ocregister.com/2024/04/16/lord-of-the-rings-star-sean-astin-will-be-uclas-2024-graduation-speaker/ |url-status=live |archive-url=https://web.archive.org/web/20240429230929/https://www.dailynews.com/2024/04/16/lord-of-the-rings-star-sean-astin-will-be-uclas-2024-graduation-speaker/ |archive-date=April 29, 2024 |access-date=August 28, 2025 |website=Los Angeles Daily News |language=en-US}}</ref>

== Career ==
=== Early career ===
[[File:Sean Astin by John Mathew Smith.jpg|thumb|upright|left|150px|Astin in 1997]]
Astin's first acting role was in a 1981 television film titled ''Please Don't Hit Me, Mom'',<ref>{{cite web |url=https://screenrant.com/child-stars-still-look-exactly-same-today/ |title=16 Child Stars Who Still Look Exactly The Same Today |date=February 5, 2018 |access-date=September 8, 2021 |website=[[Screen Rant]] |first=Turner |last=Minton |quote=beginning his career opposite her in the after-school special ''Please Don't Hit Me Mom'' }}</ref> in which he played an eight-year-old child with an abusive mother (portrayed by his real-life mother [[Patty Duke]]). Astin made his film debut at age 13 as Mikey Walsh in ''[[The Goonies]]'' (1985).

After ''The Goonies'', Astin appeared in several more films, including the [[Disney]] television film ''The B.R.A.T. Patrol'', opposite [[Nia Long]], [[Tim Thomerson]], and [[Brian Keith]]; ''[[Like Father Like Son (1987 film)|Like Father Like Son]]'' (1987); ''[[White Water Summer]]'' with [[Kevin Bacon]] (1987), ''[[The War of the Roses (film)|The War of the Roses]]'' (1989); the [[World War II]] film ''[[Memphis Belle (film)|Memphis Belle]]'' (1990); ''[[Toy Soldiers (1991 film)|Toy Soldiers]]'' (1991); ''[[Encino Man]]'' (1992); and the college football biopic ''[[Rudy (film)|Rudy]]'' (1993), about the life-changing struggles and rewards of the titular character, [[Daniel Ruettiger]].

In 1994, Astin directed and co-produced (with his wife, Christine Astin) the short film ''Kangaroo Court'', which received an Academy Award nomination for [[Academy Award for Best Live Action Short Film|Best Live Action Short Film]]. Astin continued to appear in films throughout the 1990s, including the [[Showtime (TV network)|Showtime]] science fiction film ''[[Harrison Bergeron (film)|Harrison Bergeron]]'' (1995), the Gulf War film ''[[Courage Under Fire]]'' (1996), and the [[Warren Beatty]] political satire ''[[Bulworth]]'' (1998).

=== ''The Lord of the Rings'' ===
In the early 2000s, Astin played [[Samwise Gamgee]] in [[Peter Jackson]]'s [[The Lord of the Rings (film series)|''The Lord of the Rings'' film trilogy]], consisting of [[The Lord of the Rings: The Fellowship of the Ring|''The Fellowship of the Ring'']] (2001), [[The Lord of the Rings: The Two Towers|''The Two Towers'']] (2002), and [[The Lord of the Rings: The Return of the King|''The Return of the King'']] (2003). Many awards were bestowed upon the trilogy, particularly its final installment, which earned eleven [[Academy Awards]], including Best Picture. Astin received seven award nominations for his own performance, and won five, including the [[Saturn Award]], the Sierra Award, the Seattle Film Critics Award, and the Utah Film Critics Award (all for Best Supporting Actor), and the [[Visual Effects Society#VES Awards|Visual Effects Society Award]] for Outstanding Performance by a Male or Female in an Effects Film.<ref>{{cite web |url=https://www.vesglobal.org/previous-awards/2003-2nd-annual-ves-awards/ |title=2nd Annual VES Awards |access-date=November 23, 2024 |archive-url=https://web.archive.org/web/20241123210820/https://www.vesglobal.org/previous-awards/2003-2nd-annual-ves-awards/ |archive-date=November 23, 2024 |url-status=live |website=VES|date=February 19, 2019 }}</ref> ''The Return of the King'' cast as an [[Ensemble cast|ensemble]] received awards from the [[National Board of Review of Motion Pictures]], the [[Screen Actors Guild]], the [[Broadcast Film Critics Association]], and received a Gold Derby Award.<ref>{{Cite web |date=October 4, 2014 |title=The 76th Academy Awards {{!}} 2004 |url=https://www.oscars.org/oscars/ceremonies/2004 |access-date=November 22, 2024 |website=www.oscars.org |language=en}}</ref> Throughout the filming process, Astin became close friends with several cast members, particularly [[Elijah Wood]]. Astin's daughter, Alexandra, is in the closing scene of ''The Return of the King'', playing his onscreen daughter, Elanor.

While working on ''The Lord of the Rings'', Astin persuaded a number of fellow cast and crew members, including director [[Peter Jackson]], to assist him in making his second short film, ''The Long and Short of It''. The film, which takes place on a street in [[Wellington]], New Zealand, premiered at the 2003 [[Sundance Film Festival]] and can be found on the DVD for [[The Lord of the Rings: The Two Towers|''The Two Towers'']], along with a "making of" video.

In 2004, Astin released ''There and Back Again'' ({{ISBN|0-312-33146-0}}), a memoir (co-written with Joe Layden) of his film career with emphasis on his experiences during production of [[The Lord of the Rings (film series)|''The Lord of the Rings'' trilogy]]. The title is derived from the title of [[J. R. R. Tolkien]]'s novel ''[[The Hobbit]]'', as well as the fictional book written by [[Bilbo Baggins]] in ''The Lord of the Rings''.

=== After ''The Lord of the Rings'' ===
[[File:Sean Astin 1 crop.jpg|right|thumb|Astin at [[UIUC]] in 2009]]
Since ''The Lord of the Rings'', Astin has continued to work in film and television. His film roles have included the [[Adam Sandler]] comedies ''[[50 First Dates]]'' and ''[[Click (2006 film)|Click]]''. Astin played the role of Malibu High School principal Mike Matthews in the film ''[[Smile (2005 film)|Smile]]''.

In television, Astin guest-starred as [[Lynn McGill]] in ten episodes of the [[24 (season 5)|fifth season]] of the [[Fox Broadcasting Company|Fox]] drama ''[[24 (TV series)|24]]''. He also appeared in the made-for-TV films ''[[Hercules (TV miniseries)|Hercules]]'' and ''[[The Colour of Magic (TV film)|The Colour of Magic]]'' and in episodes of ''[[Monk (TV series)|Monk]]'', ''[[Las Vegas (TV series)|Las Vegas]]'', ''[[My Name Is Earl]]'' (in which he parodied his 1993 film ''Rudy'' with co-stars [[Charles S. Dutton]] and [[Chelcie Ross]]), and ''[[Law & Order]]'', among other shows. Astin directed a 2003 episode of the TV series ''[[Angel (1999 TV series)|Angel]]'', titled [[Soulless (Angel episode)|"Soulless"]]. He played the enigmatic Mr. Smith on the second season of the Showtime series [[Jeremiah (TV series)|''Jeremiah'']].

Astin's career has also expanded to include [[voice-over]] roles. He narrated the American version of the [[Animal Planet]] series ''[[Meerkat Manor]]'', and voices the title character in ''[[Special Agent Oso]]'' which aired on [[Playhouse Disney]] from 2009 to 2011 and [[Disney Junior]] from 2011 to early 2014.<ref>{{cite web|last=Banks|first=Dave|title=Q&A With Sean Astin&nbsp;– Star of Disney's New Kids' Show ''Special Agent Oso''|url=https://www.wired.com/geekdad/2009/04/special-agent-o|date=June 11, 2009|work=wired.com|publisher=Condé Nast Digital|access-date=June 11, 2009|archive-url=https://web.archive.org/web/20090608064946/http://www.wired.com/geekdad/2009/04/special-agent-o/|archive-date=June 8, 2009|url-status=live}}</ref> Astin's other voice work includes ''[[Balto III: Wings of Change]]'', in which he voiced Kodi, a teenage [[husky]] who is the son of the titular character, and the video game ''[[Kingdom Hearts (video game)|Kingdom Hearts]]'', in the latter of which he provided the voice of [[Hercules (Disney character)|Hercules]], replacing actor [[Tate Donovan]], who was unavailable but would return for ''[[Kingdom Hearts II]]''. Astin also voiced [[Raphael (Teenage Mutant Ninja Turtles)|Raphael]] in the ''[[Teenage Mutant Ninja Turtles (2012 TV series)|Teenage Mutant Ninja Turtles]]'' animated series on [[Nickelodeon]], which premiered on September 29, 2012, running for five seasons and 124 episodes, and ending on November 12, 2017.

In 2010, Astin joined the [[Stella Adler]] Los Angeles Theatre Collective acting company.<ref>{{cite web |url=http://losangeles.broadwayworld.com/article/Stella_Adler_Los_Angeles_Theatre_Collective_Announces_Inaugural_Season_20100226 |title=Stella Adler Los Angeles Theatre Collective Announces Inaugural Season 2010/02/26 |publisher=Losangeles.broadwayworld.com |access-date=April 30, 2010 |archive-url=https://web.archive.org/web/20110708095055/http://losangeles.broadwayworld.com/article/Stella_Adler_Los_Angeles_Theatre_Collective_Announces_Inaugural_Season_20100226 |archive-date=July 8, 2011 |url-status=live }}</ref> Also as of 2010, Astin and his wife, Christine, were making a film based on [[Lois Lowry]]'s [[Newbery Medal]]-winning novel ''[[Number the Stars]]''.<ref>{{cite web| title=Diahann Carroll Diamond Birthday Arrives, PBS Special Soon to Air| url=http://becksmithhollywood.com/?p=2223| website=Beck/Smith Hollywood| access-date=September 5, 2012| first1=Marilyn| last1=Beck| first2=Stacy Jenel| last2=Smith| date=July 16, 2011| archive-url=https://web.archive.org/web/20110812074501/http://becksmithhollywood.com/?p=2223|archive-date=August 12, 2011| url-status=usurped}}</ref><ref>{{cite web| title=Number The Stars| url=http://numberthestarsmovie.com| website=Lava Entertainment| access-date=September 5, 2012| archive-url=https://web.archive.org/web/20120923214844/http://www.numberthestarsmovie.com/|archive-date=September 23, 2012| url-status=usurped}}</ref> They bought the [[film rights]] in 2008 and wrote a screenplay adaptation, with plans to direct and produce it themselves.<ref>{{cite web |url=https://www.dragoncon.org/dailydragon/dc2008/sean-astin/ |title=An Interview with Sean Astin |website=Daily Dragon Online |publisher=[[Dragon Con]] |date=September 2, 2008 |first=Debbie |last=Yutko |access-date=July 19, 2020 }}</ref>

In March 2012, Astin played a [[Plastic surgery#Cosmetic surgery|cosmetic surgeon]] named Takin Mastuhmik in a fake trailer entitled ''Boobathon'' which appeared on [[Funny or Die]].<ref name="boobathon">{{cite web| url=https://www.funnyordie.com/2012/3/6/17713944/boobathon-trailer-with-sean-astin| title=Boobathon Trailer with Sean Astin| website=Funny or Die| first=Sean| last=Astin| date=March 6, 2012| access-date=March 6, 2019| archive-url=https://web.archive.org/web/20190308002915/https://www.funnyordie.com/2012/3/6/17713944/boobathon-trailer-with-sean-astin| archive-date=March 8, 2019| url-status=live}}</ref> In March 2014, Astin played a soldier in ''[[Boys of Abu Ghraib]]'', a military thriller inspired by the [[Abu Ghraib torture and prisoner abuse|events that made worldwide news in 2004]]. In June of that year, he began playing the role of Jim Kent on the [[FX (TV channel)|FX]] drama ''[[The Strain (TV series)|The Strain]]''.<ref>{{cite web| url=http://www.fxnetworks.com/thestrain/cast| title=The Strain: Cast & Crew| website=FX Networks| access-date=May 20, 2017| archive-url=https://web.archive.org/web/20140707175519/http://www.fxnetworks.com/thestrain/cast| archive-date=July 7, 2014| url-status=live}}</ref>

In October 2015, Astin played [[Hank Erwin]] in ''[[Woodlawn (film)|Woodlawn]]'', a story about how a high school football team overcame racism and hate, and found unity and success through following Jesus.<ref>{{cite news|url=http://www.christianpost.com/news/woodlawn-movie-depicts-true-life-story-of-40-person-football-team-coming-to-christ-during-height-of-desegregation-143986|title='Woodlawn' Movie Depicts True Life Story of 40-Person Football Team Coming to Christ During Height of '70s Desegregation|newspaper=[[The Christian Post]]|date=August 30, 2015|first=Vincent|last=Funaro|access-date=July 18, 2017|archive-url=https://web.archive.org/web/20170801034852/http://www.christianpost.com/news/woodlawn-movie-depicts-true-life-story-of-40-person-football-team-coming-to-christ-during-height-of-desegregation-143986/|archive-date=August 1, 2017|url-status=live}}</ref>

In 2017, Astin played the role of Bob Newby in season two of the Netflix series ''[[Stranger Things]]''. In 2019, Astin reprised the role of Newby in [[flashback (narrative)|flashback]] scenes during the series' third season, played the role of Dr. Greg Pemberton on several episodes of ''[[The Big Bang Theory]]'', and had a guest appearance on the fifth season of ''[[Supergirl (TV series)|Supergirl]]''. In 2019, he was in the Netflix dramedy ''[[No Good Nick]]'' in which he played Ed. That same year, he appeared in the sixth season of ''[[Brooklyn Nine-Nine]]''.

In May 2020, Astin joined [[Josh Gad]]'s YouTube series ''Reunited Apart'', which reunites the casts of popular films through video-conferencing and promotes donations to non-profit charities. Others in the episode were fellow ''[[The Lord of the Rings (film series)|The Lord of the Rings]]'' castmates [[Sean Bean]], [[Orlando Bloom]], [[Billy Boyd (actor)|Billy Boyd]], [[Ian McKellen]], [[Dominic Monaghan]], [[Viggo Mortensen]], [[Miranda Otto]], [[John Rhys-Davies]], [[Andy Serkis]], [[Liv Tyler]], [[Karl Urban]], and [[Elijah Wood]], plus writer [[Philippa Boyens]] and director [[Peter Jackson]].<ref>{{cite news |url=https://www.cbsnews.com/news/actor-josh-gad-reunites-stars-of-lord-of-the-rings-while-raising-money-for-kids-in-need/ |title=Actor Josh Gad reunites stars of 'Lord of the Rings' while raising money for kids in need |date=June 1, 2020 |work=CBS News |first=Caitlin |last=O'Kane |access-date=June 4, 2020 }}</ref><ref>{{cite news |url=https://news.sky.com/story/coronavirus-frozen-star-josh-gad-reunites-lord-of-the-rings-cast-during-lockdown-11996200 |title=Coronavirus: Frozen star Josh Gad reunites Lord Of The Rings cast during lockdown |date=May 28, 2020 |publisher=Sky News |access-date=July 19, 2020 }}</ref>

Astin narrated the 2023 comedy film ''Go West'', the first theatrical film from the original cast of the sketch comedy show ''[[Studio C]]'', produced by their own company, JK Studios. Astin made his Broadway debut as [[Santa Claus]] in a revival of ''[[Elf the Musical]]'', which ran at the [[Marquis Theatre]] from November 2024 to January 2025.<ref>{{cite web |url=https://deadline.com/2024/10/sean-astin-elf-broadway-1236106727/ |title=Sean Astin To Make Broadway Debut As Santa In 'Elf The Musical' Revival |date=October 3, 2024 |work=Deadline Hollywood |first=Greg |last=Evans |access-date=October 3, 2024 }}</ref><ref>{{cite web | url=https://playbill.com/production/elf-broadway-marquis-theatre-2024| title=Elf | website=playbill.com | date=November 17, 2024 | access-date=November 18, 2024}}</ref>

==President of SAG-AFTRA==

In July 2025, Astin declared he would run to succeed [[Fran Drescher]] as president of [[SAG-AFTRA]].<ref>{{cite news|url=https://www.hollywoodreporter.com/business/business-news/sean-astin-runn-sag-aftra-president-1236312386/|title=Sean Astin to Run for SAG-AFTRA President, Fran Drescher a Question Mark for Another Bid (Exclusive)|first=Katie|last=Kelkinney|publisher=The Hollywood Reporter|date=July 11, 2025|accessdate=August 19, 2025}}</ref> From August 13 to September 12, 2025, Astin ran against Chuck Slavin for the office.<ref>{{Cite news |title=What's next for SAG-AFTRA as Fran Drescher declines to seek reelection |url=https://www.latimes.com/entertainment-arts/business/story/2025-08-11/sag-aftra-fran-drescher-presidential-election-sean-astin-chuck-slavin |access-date=August 14, 2025 |newspaper=[[Los Angeles Times]] |date=August 11, 2025 |first=Wendy |last=Lee}}</ref><ref>{{cite news|url=https://www.hollywoodreporter.com/business/business-news/fran-drescher-not-running-sag-aftra-president-1236312550/|title=Fran Drescher Won't Run for SAG-AFTRA President As Candidates Line Up for Race|first=Katie|last=Kilkenny|publisher=The Hollywood Reporter|date=August 8, 2025|accessdate=August 19, 2025}}</ref>

On September 12, 2025, it was announced that Astin was elected president of SAG-AFTRA for a two-year term, receiving 79.25% of the vote from participating SAG-AFTRA members.<ref name="elected"/><ref name=astinelected /><ref>{{cite news|url=https://variety.com/2025/film/news/sean-astin-elected-president-sag-aftra-fran-drescher-1236516448/|title=Sean Astin Elected President of SAG-AFTRA, Taking Over for Fran Drescher|first=Gene|last=Maddus|publisher=Variety|date=September 12, 2025|accessdate=September 12, 2025}}</ref> Astin's mother, [[Patty Duke]], was elected president of the Screen Actors Guild forty years earlier.<ref>{{Cite news |last=Bernstein |first=Harry |date=November 6, 1985 |title=Patty Duke Is Elected President of Actors Guild |url=https://www.latimes.com/archives/la-xpm-1985-11-06-me-4693-story.html |access-date=October 9, 2025 |newspaper=Los Angeles Times |language=en-US}}</ref>

== Personal life ==
Astin married Christine Harrell on July 11, 1992. They have three daughters.<ref>{{Cite web |url=http://www.seanastin.com/bio |title=Personal Biography |archive-url=https://web.archive.org/web/20150315100739/http://www.seanastin.com/bio/ |archive-date=March 15, 2015 |website=seanastin.com |access-date=December 26, 2016}}</ref> His wife held the [[Miss Indiana Teen USA]] title in 1984.<ref>{{cite web|url=https://www.missindianausa.com/past-titleholders-miss-indiana-teen-usa-1|title=Past Titleholders: Miss Indiana Teen USA|website=missindianausa.com|access-date=May 20, 2017|archive-url=https://web.archive.org/web/20170812022449/https://www.missindianausa.com/past-titleholders-miss-indiana-teen-usa-1|archive-date=August 12, 2017|url-status=live}}</ref> One daughter, Ali, had a small cameo role in ''[[The Lord of the Rings: The Return of the King]]'' as Elanor Gamgee, Astin's character's daughter, and appears in ''[[Bad Kids of Crestview Academy]]'' as Ethel Balducci.

Astin has a tattoo on his ankle of the word "nine" written with the [[Tengwar]] script, commemorating his ''Lord of the Rings'' involvement and his character's membership in the [[Company of the Ring|"Fellowship of the Ring"]]. Seven of the eight other actors ([[Elijah Wood]], [[Sean Bean]], [[Billy Boyd (actor)|Billy Boyd]], [[Ian McKellen]], [[Dominic Monaghan]], [[Viggo Mortensen]], and [[Orlando Bloom]]) all have the same tattoo. [[John Rhys-Davies]]' stunt double, Brett Beattie, has the tattoo as well.<ref>{{cite web |url=https://www.tattoodo.com/a/2015/07/the-matching-tattoos-of-the-lord-of-the-rings-cast/ |title=The Matching Tattoos of 'the Lord of the Rings' Cast |website=tattoodo.com |author=Xavier |date=July 2015 |access-date=August 11, 2017 |archive-url=https://web.archive.org/web/20170811145031/https://www.tattoodo.com/a/2015/07/the-matching-tattoos-of-the-lord-of-the-rings-cast/ |archive-date=August 11, 2017 |url-status=live }}</ref>

In an August 2013 interview, Astin said that he is a [[Lutheran]] Christian, having been "baptized in my wife's Lutheran church".<ref name=beliefnet /> "I don't know if I'm a very good [Christian] but I'm praying the forgiveness thing is legit," Astin said in an interview.<ref>{{Cite web |last=Savitsky |first=Sasha |date=March 24, 2015 |title=Sean Astin: I'm not afraid to make 'Christian' films |url=https://www.foxnews.com/entertainment/sean-astin-im-not-afraid-to-make-christian-films |access-date=July 3, 2024 |website=Fox News |language=en-US}}</ref>

In January 2015, Astin completed the Dopey Challenge at the [[Walt Disney World Resort]] which involves running a 5k, 10k, half-marathon and full marathon on four consecutive days.<ref>{{cite web|url=https://www.trackshackresults.com/disneysports/results/wdw/wdw15/Dopey%20Full%20Results.pdf|title=2015 Dopey Challenge Full Results|website=TrackShackResults.com|date=April 21, 2015|access-date=May 19, 2017|page=5|archive-url=https://web.archive.org/web/20170812022220/https://www.trackshackresults.com/disneysports/results/wdw/wdw15/Dopey%20Full%20Results.pdf|archive-date=August 12, 2017|url-status=live}}</ref><ref>{{cite magazine|url=http://www.runnersworld.com/walt-disney-world-marathon/how-to-recover-from-the-dopey-challenge|title=How to Recover from the Dopey Challenge|date=January 4, 2017|first=Ashley|last=Rodriguez|magazine=[[Runner's World]]|quote=Disney's 48.6-mile Dopey Challenge [... i]s no easy feat. While plenty of runners have finished 5Ks, 10Ks, half marathons, and marathons, few have done them back-to-back over the course of four days.|access-date=May 20, 2017|archive-url=https://web.archive.org/web/20170616144436/http://www.runnersworld.com/walt-disney-world-marathon/how-to-recover-from-the-dopey-challenge|archive-date=June 16, 2017|url-status=live}}</ref>

On October 10, 2015, Astin competed in the 2015 [[Ironman World Championship]] in [[Kailua, Hawaii County, Hawaii|Kailua Kona, Hawaii]]. Wearing number 143, Astin finished the race in a time of 15:30:31.<ref>{{cite web|url=http://eu.ironman.com/triathlon/events/americas/ironman/world-championship/results.aspx?race=worldchampionship&rd=20151010&q=143#axzz44KELEsVB|title=IRONMAN World Championship Results|access-date=March 29, 2016|date=October 10, 2015|website=Ironman World Championship|publisher=World Triathlon Corporation|archive-url=https://web.archive.org/web/20160413173502/http://eu.ironman.com/triathlon/events/americas/ironman/world-championship/results.aspx?race=worldchampionship&rd=20151010&q=143#axzz44KELEsVB|archive-date=April 13, 2016|url-status=live}}</ref> Astin completed his master's degree in public administration and policy at [[American University]];<ref name="army" /> in 2024.<ref>{{cite web |url=https://www.seanastin.com/bio/ |title=Sean Astin Biography |website=seanastin.com |access-date=September 18, 2024 |quote=Sean recently completed a Master's degree in Public Administration and Policy at American University.}}</ref> American University awarded Astin an honorary Doctor of Humane Letters during the Fall 2024 graduation during which he was also the keynote speaker.<ref>{{cite press release |url=https://www.prnewswire.com/news-releases/american-university-to-welcome-recent-graduate-sean-astin-spampap-24-as-commencement-speaker-for-fall-commencement-302320024.html |title=American University to Welcome Recent Graduate Sean Astin, SPA/MPAP '24, as Commencement Speaker for Fall Commencement |date=December 2, 2024 |publisher=American University |agency=PR Newswire |access-date=April 5, 2025}}</ref>

In March 2025, Astin partnered with [[Lego]] to launch a set based on [[The Shire]], featuring a commemorative video of Astin himself building the set.<ref>{{Cite web |date=March 25, 2025 |title=Sean Astin Celebrates Middle-earth™ with LEGO Bricks! - About Us |url=https://www.lego.com/en-us/aboutus/news/2025/march/sean-astin-celebrates-middle-earth-with-lego-bricks- |access-date=April 22, 2025 |website=LEGO.com |language=en-us}}</ref>

=== Political support ===
From 1995 to 2005, Astin served as a Civilian Aide to the [[United States Secretary of the Army|Secretary of the Army]] (CASA) and afterwards served on the [[President's Council on Service and Civic Participation]] for two years during the George W. Bush administration.<ref>{{cite web|first1=Robin| last1=Bronk|title=My 5 Minutes with the President – Sean Astin|url=https://thehill.com/capital-living/my-5-minutes-with-the-president/129880-sean-astin/|access-date=October 13, 2022|date=March 7, 2012|work=The Hill}}</ref><ref name="tylerm" /> He was awarded the honorary Emeritus Civilian Aide designation in 2022.<ref name="army">{{cite web|url=https://www.army.mil/article/262720/sean_patrick_astin_designated_emeritus_civilian_aide|title=Sean Astin designated emeritus civilian aide|publisher=US Army|date=December 13, 2022|accessdate=August 21, 2024}}</ref>

Astin is a lifelong supporter of the [[Democratic Party (United States)|Democratic Party]].<ref>{{cite video|url=https://www.youtube.com/watch?v=_a3LUn0YckU|title=Sean Astin speaks to Ana, Cenk about his involvement with the DNC|people=Sean Astin, Ana Kasparian, Cenk Uygur|date=August 21, 2024|accessdate=August 21, 2024}}</ref> During the [[2004 United States presidential election]], Astin backed Senator [[John Kerry]] and participated in Kerry's campaign rally in [[Portland, Oregon]], as the opening speaker.<ref>{{cite web|author=Calisuri and Corvar and Arathorn|url=http://www.theonering.net/scrapbook/movies/cast/sean_astin/view/13048?amp;g=1 |title=Sean Astin at Portland, OR Rally for John Kerry |publisher=TheOneRing.net |date=May 17, 2004 |access-date=May 20, 2017}}</ref> In the [[2008 United States presidential election|2008 presidential election]], Astin lent his support to then-Senator [[Hillary Clinton]] for the first of her two Presidential campaigns and made multiple campaign appearances on her behalf, including joining Clinton's daughter [[Chelsea Clinton|Chelsea]] at some stops.<ref name="Clinton">{{cite news|url=http://www.idsnews.com/news/story.aspx?id=49827&comview=1|title=Chelsea Clinton, 'Rudy' start to stump at IU|newspaper=Indiana Daily Student|access-date=March 28, 2008|url-status=dead|archive-url=https://web.archive.org/web/20080615060012/http://www.idsnews.com/news/story.aspx?id=49827&comview=1|archive-date=June 15, 2008|date=March 24, 2008}}</ref> Astin served as the [[campaign manager]] for Democrat Dan Adler, a businessman friend in the entertainment industry, in [[2011 California's 36th congressional district special election|California's 36th congressional district special election of 2011]].<ref name="tylerm">{{cite news| first1=Michael| last1=Tyler| title=5 things to know about Sean Astin ahead of Springfield stop| url=https://www.daytondailynews.com/news/local-govt--politics/things-know-about-sean-astin-ahead-springfield-stop/r93gWmxUees2uKEQNm4oqI/| newspaper=[[Dayton Daily News]]| archive-url=https://web.archive.org/web/20190824043117/https://www.daytondailynews.com/news/local-govt--politics/things-know-about-sean-astin-ahead-springfield-stop/r93gWmxUees2uKEQNm4oqI/| archive-date=August 24, 2019| url-status=live|access-date=October 13, 2022}}</ref> In the [[2016 United States presidential election|2016 presidential election]], Astin campaigned for Hillary Clinton in [[Midwestern United States|midwestern states]] such as [[Iowa]], [[Nebraska]], and [[Wisconsin]].<ref>{{cite web |url=http://www.weareiowa.com/news/local-news/hobbit-star-stumps-for-clinton |title=Hobbit Star Stumps for Clinton |work=[[WOI-DT|WOI News]] |access-date=August 5, 2016 |first=Alyssa |last=Weis |date=August 5, 2016 |archive-url=https://web.archive.org/web/20160806164057/http://www.weareiowa.com/news/local-news/hobbit-star-stumps-for-clinton |archive-date=August 6, 2016 |url-status=live}}</ref> In a 2020 Twitter post, Astin voiced his support for Democratic nominee [[Joe Biden 2020 presidential campaign|Joe Biden]].<ref>{{Cite tweet|number=1319442510742106112|access-date=October 30, 2020|user=SeanAstin|date=October 22, 2020|title=Go get 'em @JoeBiden}}</ref> On July 29, 2024, Astin appeared in the White Dudes for Harris Zoom call expressing his support for Vice President [[Kamala Harris]]{{'}} presidential campaign.<ref>{{cite news |last=Suliman |first=Adela |date=July 30, 2024 |title='White Dudes for Harris' — including The Dude himself — raise over $4M |url=https://www.washingtonpost.com/politics/2024/07/30/white-dudes-harris-jeff-bridges/ |access-date=July 31, 2024 |newspaper=Washington Post |language=en-US |issn=0190-8286}}</ref> Astin additionally appeared at the [[2024 Democratic National Convention]] during the nominating roll call vote on August 20, 2024, representing [[Indiana]].<ref>{{cite web |title=Video A cameo-filled ceremonial roll call at the DNC |url=https://abcnews.go.com/Politics/video/cameo-filled-ceremonial-roll-call-dnc-113002004 |access-date=August 21, 2024 |website=ABC News |language=en}}</ref><ref>{{cite web |last=Art |first=Pop Culture & |date=August 21, 2024 |title=Fans react to 'Samwise Gamgee' actor Sean Astin joining Democratic National Convention roll call |url=https://tribune.com.pk/story/2489848/fans-react-to-samwise-gamgee-actor-sean-astin-joining-democratic-national-convention-roll-call |access-date=August 21, 2024 |website=The Express Tribune |language=en}}</ref>

In September 2024, Astin urged California Governor [[Gavin Newsom]] to sign [[Safe and Secure Innovation for Frontier Artificial Intelligence Models Act|SB 1047]], a bill that would require advanced AI models to undergo safety testing before deployment.<ref>{{cite news|last1=Korte |first1=Lara |last2=Gardiner |first2=Dustin |date=September 17, 2024 |title=Act natural |url=https://www.politico.com/newsletters/california-playbook/2024/09/17/act-natural-00179456}}</ref>

== Filmography ==
=== Film ===
{| class="wikitable sortable plainrowheaders"
|-
! scope="col" | Year
! scope="col" | Title
! scope="col" | Role
! scope="col" | Notes
! scope="col" class="unsortable" | {{Tooltip|Ref.|Reference(s)}}
|-
| 1985
| ''{{sortname|The|Goonies}}''
| Michael "Mikey" Walsh
| 
|
|-
| rowspan="2" | 1987
| ''[[Like Father Like Son (1987 film)|Like Father Like Son]]''
| Clarence / Trigger
| 
| 
|-
| ''[[White Water Summer]]''
| Alan
| 
| 
|-
| rowspan="2" | 1989
| ''{{sortname|The|War of the Roses|The War of the Roses (film)}}''
| Josh Rose (age 17)
| 
| 
|-
| ''[[Staying Together (film)|Staying Together]]''
| Duncan McDermott
| 
| 
|-
| 1990
| ''[[Memphis Belle (film)|Memphis Belle]]''
| Sergeant Richard "Rascal" Moore
| 
| 
|-
| rowspan="2" | 1991
| ''[[Toy Soldiers (1991 film)|Toy Soldiers]]''
| William Tepper
| 
| 
|-
| ''{{sortname|The|Willies|The Willies (film)}}''
| Michael
| 
| 
|-
| rowspan="2" | 1992
| ''[[Where the Day Takes You]]''
| Greg
| 
| 
|-
| ''[[Encino Man]]''
| Dave Morgan
| 
| 
|-
| 1993
| ''[[Rudy (film)|Rudy]]''
| [[Rudy Ruettiger|Daniel "Rudy" Ruettiger]]
| 
| 
|-
| rowspan="3" | 1994
| ''[[Teresa's Tattoo]]''
| Step Brother
| Uncredited
|<ref>{{cite web |url=https://www.tvguide.com/movies/teresas-tattoo/cast/2000123383/ |title=Teresa's Tattoo |website=TV Guide |access-date=March 10, 2023 }}</ref>
|-
| ''[[Safe Passage (film)|Safe Passage]]''
| Izzy Singer
| 
| 
|-
| ''Kangaroo Court''
| {{N/A}}
| Director and producer<br>Short film
|
|-
| 1995
| ''{{sortname|The|Low Life}}''
| Andrew
|
|
|-
| 1996
| ''[[Courage Under Fire]]''
| Patella
| 
| 
|-
| rowspan="2" | 1998
| ''[[Boy Meets Girl (1998 film)|Boy Meets Girl]]''
| Mike
| 
| 
|-
| ''[[Bulworth]]''
| Gary
| 
| 
|-
| rowspan="2" | 1999
| ''[[Deterrence (film)|Deterrence]]''
| Ralph
| 
| 
|-
| ''Kimberly''
| Bob
| 
| 
|-
| rowspan="4" | 2000
| ''[[Dish Dogs]]''
| Morgan
| 
| 
|-
| ''{{sortname|The|Last Producer}}''
| Bo Pomerantz
| 
| 
|-
| ''[[Icebreaker (film)|Icebreaker]]''
| Matt Foster
| 
| 
|-
| ''{{sortname|The|Sky Is Falling|The Sky Is Falling (2000 film)}}''
| Mr. Schwartz
| 
| 
|-
| 2001
| ''{{sortname|The|Lord of the Rings: The Fellowship of the Ring}}''
| rowspan="3" | [[Samwise Gamgee]]
| 
| 
|-
| 2002
| ''{{sortname|The|Lord of the Rings: The Two Towers}}''
| 
| 
|-
| 2003
| ''{{sortname|The|Lord of the Rings: The Return of the King}}''
| 
| 
|-
| rowspan="3" | 2004
| ''[[Balto (film)#Sequels|Balto III: Wings of Change]]''
| Kodi
| [[Voice acting|Voice]]<br>[[Direct-to-video]]<ref name="btva">{{cite web |title=Sean Astin (visual voices guide) |url=http://www.behindthevoiceactors.com/Sean-Astin/ |access-date=September 10, 2023 |publisher=Behind The Voice Actors}} A green check mark indicates that a role has been confirmed using a screenshot (or collage of screenshots) of a title's list of voice actors and their respective characters found in its credits or other reliable sources of information.</ref>
| 
|-
| ''[[Elvis Has Left the Building]]''
| Aaron
| 
| 
|-
| ''[[50 First Dates]]''
| Doug Whitmore
| 
| 
|-
| rowspan="5" | 2005
| ''[[Smile (2005 film)|Smile]]''
| Mike Matthews
| 
| 
|-
| ''[[Bigger Than the Sky]]''
| Ken Zorbell
| 
| 
|-
| ''Marilyn Hotchkiss Ballroom Dancing & Charm School''
| Kip Kipling
| 
| 
|-
| ''[[Borderland (2007 film)|Borderland]]''
| Randall
| 
| 
|-
| ''[[Love & Debate]]''
| Coach Amal
| rowspan="2"|Direct-to-video
| 
|-
| rowspan="3" | 2006
| ''[[What Love Is]]''
| George
| 
|-
| ''[[Asterix and the Vikings]]''
| Justforkix
| Voice<ref name="btva" />
| 
|-
| ''[[Click (2006 film)|Click]]''
| Bill
| 
| 
|-
| rowspan="2" | 2007
| ''{{sortname|The|Final Season}}''
| Kent Stock
| 
| 
|-
| ''My Wife Is Retarded''
| Jeff
| Short film
| 
|-
| rowspan="2" | 2008
| ''[[Forever Strong]]''
| Marcus
| 
| 
|-
| ''[[Spirit of the Forest (film)|Spirit of the Forest]]''
| Furi
| Voice<ref name="btva" />
| 
|-
| rowspan="2" | 2009
| ''[[Stay Cool]]''
| Big Girl
| 
| 
|-
| ''[[Alvin and the Chipmunks: The Squeakquel]]''
| Meerkat Manor Narrator
| Voice<ref name="btva" />
| 
|-
| 2011
| ''[[Demoted]]''
| Mike
| Direct-to-video
| 
|-
| rowspan="3" | 2012
| ''Boobathon''
| Takin Mastuhmik
| Fake trailer
| style="text-align:center;" | <ref name="boobathon" />
|-
| ''[[Dorothy and the Witches of Oz]]''
| Frack
| 
| 
|-
| ''Amazing Love: The Story of Hosea''
| Stuart
| rowspan="2"|Direct-to-video
| 
|-
| 2013
| ''{{sortname|The|Freemason|nolink=1}}''
| Leon Weed
| 
|-
| rowspan="8" | 2014
| ''[[Justice League: War]]''
| [[Shazam (DC Comics)|Shazam]]
| Voice<br>Direct-to-video<ref name="btva" />
| 
|-
| ''[[Boys of Abu Ghraib]]''
| Staff Sergeant Tanner
| rowspan="2"|Direct-to-video
| 
|-
| ''[[Cabin Fever: Patient Zero]]''
| Porter
| style="text-align:center;" |<ref>{{cite news |url=http://horrornews.net/82773/film-review-cabin-fever-3-patient-zero-2014/ |title=Film Review: Cabin Fever: Patient Zero (2014) |author=Doc Rotten |work=horrornews.net |date=March 8, 2014 |access-date=July 29, 2014 |quote=Sean Astin steps into the role of Mr. Porter |archive-url=https://web.archive.org/web/20140729133532/http://horrornews.net/82773/film-review-cabin-fever-3-patient-zero-2014/ |archive-date=July 29, 2014 |url-status=live }}</ref><ref>{{cite magazine |url=https://ew.com/article/2014/07/23/cabin-fever-patient-zero/ |title=Sean Astin bugs out in 'Cabin Fever: Patient Zero' clip |first=Clark |last=Collis |magazine=Entertainment Weekly |date=July 23, 2014 |access-date=October 21, 2019 |archive-url=https://web.archive.org/web/20191021052319/https://ew.com/article/2014/07/23/cabin-fever-patient-zero/ |archive-date=October 21, 2019 |url-status=live }}</ref>
|-
| ''[[Moms' Night Out]]''
| Sean
| 
| style="text-align:center;" |<ref>{{cite press release |url=http://www.prnewswire.com/news-releases/erwin-brothers-wrap-filming-on-family-comedy-moms-night-out-212762731.html |title=Erwin Brothers Wrap Filming On Family Comedy 'MOMS' NIGHT OUT' |publisher=Sony Pictures |agency=PR Newswire |date=June 24, 2013 |access-date=January 31, 2014 |quote=... a wife and her husband, played by Grey's Anatomy's Sarah Drew as Allyson and Sean Astin as Sean |archive-url=https://web.archive.org/web/20140201205204/http://www.prnewswire.com/news-releases/erwin-brothers-wrap-filming-on-family-comedy-moms-night-out-212762731.html |archive-date=February 1, 2014 |url-status=live }}</ref><ref>{{cite news |url=http://www.breathecast.com/articles/moms-night-out-movie-featuring-patricia-heaton-sean-astin-sarah-drew-13624/ |first=Jeannie |last=Law |date=January 21, 2014 |access-date=January 30, 2014 |publisher=BREATHEcast |title='Moms' Night Out' Movie Featuring Patricia Heaton, Sean Astin, and Sarah Drew Portrays 'Christians in a Positive Light' |archive-url=https://web.archive.org/web/20140202115238/http://www.breathecast.com/articles/moms-night-out-movie-featuring-patricia-heaton-sean-astin-sarah-drew-13624/ |archive-date=February 2, 2014 |url-status=live }}</ref>
|-
| ''[[Video Games: The Movie]]''
| Narrator
| Documentary
| 
|-
| ''[[Ribbit (film)|Ribbit]]''
| Ribbit
| rowspan="2"|Voice<ref name="btva" />
| 
|-
| ''{{sortname|The|Hero of Color City}}''
| Horatio
| 
|-
| ''{{sortname|The|Surface|dab=film}}''
| Mitch
| Direct-to-video
| 
|-
| rowspan="4" | 2015
| ''[[Justice League: Throne of Atlantis]]''
| Shazam
| Voice<br>Direct-to-video<ref name="btva" />
|
|-
| ''[[Do You Believe? (film)|Do You Believe?]]''
| Dr. Farell
| 
| 
|-
| ''[[Woodlawn (film)|Woodlawn]]''
| Hank
| 
| 
|-
| ''Checkmate''
| Dyson
| 
| 
|-
| rowspan="3" | 2016
| ''{{sortname|The|Do-Over}}''
| Ted-O
| 
| 
|-
| ''[[Range 15]]''
| Grigsby
| 
| 
|-
| ''[[Unleashed (2016 film)|Unleashed]]''
| Carl
| 
| 
|-
| rowspan="4" | 2017
| ''[[Bad Kids of Crestview Academy]]''
| Headmaster Nash
| 
| 
|-
| ''[[Dead Ant]]''
| Art
| 
| 
|-
| ''Espionage Tonight''
| Sam Jacobson
| 
| 
|-
| ''{{sortname|The|Lears}}''
| Tom Cornwall
| 
| 
|-
| 2018
| ''[[Gloria Bell]]''
| Jeremy
| 
| 
|-
| rowspan="2" | 2020
| ''[[Adverse (film)|Adverse]]''
| Frankie
| 
| 
|-
| ''[[Lego DC Shazam! Magic and Monsters]]''
| Shazam
| Voice<br>Direct-to-video<ref name="btva" />
| 
|-
| rowspan="2" | 2021
| ''[[Hero Mode]]''
| Jimmy
| 
| 
|-
| ''[[Charming the Hearts of Men]]''
| George
| 
| 
|-
| rowspan="7" | 2023
| ''{{sortname|The|AD-X2 Controversy|nolink=y}}''
| Himself
| Documentary short
|
|-
| ''[[iMordecai]]''
| Marvin
|
|
|-
| ''Go West''
| Narrator
| 
|
|-
| ''[[Hard Miles (film)|Hard Miles]]''
| Speedy
| 
| 
|-
| ''[[The Shift (2023 film)|The Shift]]''
| Gabriel
|
|
|-
| ''[[Holiday Twist]]''
| Whitmer
|
|
|-
| ''[[The Man in the White Van]]''
| William
|
|<ref name=FT>{{cite news|last=Ng |first=Alan |title=The Man in the White Van |url= https://filmthreat.com/reviews/the-man-in-the-white-van/#:~:text=The%20Man%20in%20the%20White%20Van%20is%20the%20perfect%20primer,goes%20bump%20in%20the%20night. |access-date=October 30, 2024 |website=Film Threat |date=October 14, 2023}}</ref>
|-
| 2024
| ''[[Man and Witch: The Dance of a Thousand Steps]]''
| Dog
| 
|
|-
| rowspan=2| 2025
| ''[[Love Hurts (2025 film)|Love Hurts]]''
| Cliff Cussick
|
|
|-
| ''[[Little Lorraine (film)|Little Lorraine]]''
| Father Williams
| 
|
|}

=== Television ===
{| class="wikitable sortable plainrowheaders"
|-
! scope="col" | Year
! scope="col" | Title
! scope="col" | Role
! scope="col" | Notes
! scope="col" class="unsortable" | {{Tooltip|Ref.|Reference(s)}}
|-
| 1981
| ''Please Don't Hit Me, Mom''
| Brian Reynolds
| rowspan="5"| Television film
| 
|-
| 1982
| ''{{sortname|The|Rules of Marriage|nolink=1}}''
| Charlie Hagen
| 
|-
| 1985
| ''{{sortname|The|O'Briens|nolink=1}}''
| The Son
| 
|-
| 1986
| ''{{sortname|The|B.R.A.T. Patrol|nolink=1}}''
| Leonard Kinsey
|<ref>{{cite web |url=https://www.tvguide.com/movies/the-brat-patrol/2000031544/ |title=The B.R.A.T. Patrol |website=[[TV Guide]] |access-date=March 10, 2023 }}</ref>
|-
| 1995
| ''[[Harrison Bergeron (film)|Harrison Bergeron]]''
| Harrison Bergeron
|
|-
| 2003
| ''[[Angel (1999 TV series)|Angel]]''
| {{N/A}}
| Director; episode: "[[Soulless (Angel)|Soulless]]"
| 
|-
| 2003–2004
| ''[[Jeremiah (TV series)|Jeremiah]]''
| Mister Smith
| Main role (season 2)
| 
|-
| rowspan="2" | 2004
| ''[[Higglytown Heroes]]''
| Pix the Elf
| Voice; 1 episode
| style="text-align:center;" |<ref>{{cite web |url=https://www.tvguide.com/tvshows/higglytown-heroes/cast/194655/ |website=TV Guide |title=Higglytown Heroes Cast |access-date=February 11, 2019 |publisher=CBS Interactive |archive-url=https://web.archive.org/web/20190212132354/https://www.tvguide.com/tvshows/higglytown-heroes/cast/194655/ |archive-date=February 12, 2019 |url-status=live}}</ref>
|-
| ''Party Wagon''
| Randall McDuff / Josiah
| Voice; television film<ref name="btva" />
|
|-
| rowspan="3" | 2005
| ''[[Hercules (miniseries)|Hercules]]''
| [[Linus (mythology)|Linus]]
| rowspan="2"|[[Miniseries]]
| 
|-
| ''[[Into the West (miniseries)|Into The West]]''
| Martin Jarrett
| 
|-
| ''[[Slipstream (2005 film)|Slipstream]]''
| Stuart Conway
| Television film
| 
|-
| 2005–2007
| ''[[Meerkat Manor]]''
| Narrator
| [[List of Meerkat Manor episodes#Series 1: 2005|Seasons 1]]–[[List of Meerkat Manor episodes#Series 3: 2007|3]]
| 
|-
| 2006
| ''[[24 (TV series)|24]]''
| [[List of 24 characters#Lynn McGill|Lynn McGill]]
| Main role ([[24 (season 5)|Season 5]])
| 
|-
| rowspan="3" | 2007
| ''[[Masters of Science Fiction]]''
| Charlie Kramer
| Episode: "Watchbird"
| 
|-
| ''[[Monk (TV series)|Monk]]''
| Paul Buchanan
| Episode: "Mr. Monk Is At Your Service"
| 
|-
| ''[[My Name Is Earl]]''
| Salesman
| Episode: "Get a Real Job"
| 
|-
| rowspan="2" | 2008
| ''[[Terry Pratchett's The Colour of Magic]]''
| [[List of Discworld characters#Twoflower|Twoflower]]
| Television film
| 
|-
| ''[[Law & Order]]''
| Pastor Hensley
| Episode: "Angelgrove"
| 
|-
| 2009–2012
| ''[[Special Agent Oso]]''
| Agent Oso
| Voice<br>Main role (60 episodes)<ref name="btva" />
| 
|-
| 2011
| ''[[Love's Christmas Journey]]''
| Mayor Wayne
| Television film
| 
|-
| rowspan="5" | 2012
|''[[NCIS (TV series)|NCIS]]''
| Tyler Elliot
| Episode: "[[The Tell]]"
| 
|-
| ''[[Adopting Terror]]''
| Tim
| Television film
| 
|-
| ''[[Hollywood Treasure]]''
| Himself
| Episode: "[[Hollywood Treasure#Season two (2012)|Riddler Rudy and the Ruby Slippers]]"
| 
|-
| ''[[Franklin & Bash]]''
| Viper
| Episode: "Viper"
| 
|-
| ''[[Alphas]]''
| Mitchell
| 2 episodes
| 
|-
| 2012–2017
| ''[[Teenage Mutant Ninja Turtles (2012 TV series)|Teenage Mutant Ninja Turtles]]''
| [[Raphael (Teenage Mutant Ninja Turtles)|Raphael]]
| Voice<ref name="btva" />
| 
|-
| 2013
| ''Santa Switch''
| Eddie
| Television film
| style="text-align:center;" |<ref>{{cite news |url=http://thefutoncritic.com/news/2013/10/08/its-a-holiday-takeover-when-santa-agrees-to-share-the-reins-with-sean-astin-and-ethan-erickson-in-santa-switch-a-hallmark-channel-original-movie-world-premiere-december-7-882403/20131008hallmark02/ |title=Breaking News |newspaper=The Futon Critic |date=October 8, 2013 |access-date=December 8, 2013}}</ref>
|-
| rowspan="2"| 2014
| ''[[Stan Lee's Mighty 7#Animated film|Stan Lee's Mighty 7]]''
| Kid Kinergy
| Voice; television film<ref name="btva" />
|
|-
| ''{{sortname|The|Strain|The Strain (TV series)}}''
| Jim Kent
| Main role ([[The Strain season 1|Season 1]])
| 
|-
| 2015, 2017
| ''[[Penn Zero: Part-Time Hero]]''
| Blaze
| Voice; 4 episodes<ref name="btva" /><ref>{{cite web |date=March 27, 2015 |title=Penn Zero: Become A Part-Time Hero with Sam Levine, Jared Bush, and Balls |url=http://comicbook.com/2015/03/27/penn-zero-become-a-part-time-hero-with-sam-levine-jared-bush-and/ |url-status=live |archive-url=https://web.archive.org/web/20150620135140/http://comicbook.com/2015/03/27/penn-zero-become-a-part-time-hero-with-sam-levine-jared-bush-and/ |archive-date=June 20, 2015 |access-date=June 20, 2015 |website=Comicbook.com}}</ref><ref>{{cite web |date=September 30, 2015 |title=Disney Channel PR twitter feed |url=https://twitter.com/DisneyChannelPR/status/649285265954066432 |access-date=September 30, 2015 |website=Twitter}}</ref>
| style="text-align:center;" |
|-
| 2015
| ''[[Sofia the First]]''
| Benngee
| Voice; 2 episodes<ref name="btva" />
|
|-
| rowspan="2" | 2016
| ''{{sortname|The|Loud House}}''
| Loni
| Voice; episode: "One of the Boys"
| style="text-align:center;" |<ref>{{cite web |url=http://www.tv.com/shows/the-loud-house/one-of-the-boys-3421297/ |title=One of the Boys |website=[[TV.com]] |access-date=October 26, 2016 |archive-url=https://web.archive.org/web/20161026234121/http://www.tv.com/shows/the-loud-house/one-of-the-boys-3421297/ |archive-date=October 26, 2016 |url-status=live}}</ref>
|-
| ''{{sortname|The|Librarians|The Librarians (2014 TV series)}}''
| Kirby Goulding
| Episode: "[[List of The Librarians episodes#Season 3 .282016.E2.80.9317.29|And the Tears of a Clown]]"
| 
|-
| rowspan="2" | 2016–2018
| ''[[Justice League Action]]''
| Shazam
| Voice; 5 episodes<ref name="btva" />
| 
|-
| ''[[Bunnicula (TV series)|Bunnicula]]''
| Chester
| Voice<ref name="btva" />
| 
|-
| 2017–2019
| ''[[Stranger Things]]''
| [[List of Stranger Things characters#Bob Newby|Bob Newby]]
| 10 episodes
| 
|-
| 2018–2020
| ''{{sortname|The|Epic Tales of Captain Underpants}}''
| Narrator
| 
| 
|-
| rowspan="3" | 2019
| ''{{sortname|The|Big Bang Theory}}''
| Dr. Pemberton
| 3 episodes
| 
|-
| ''[[No Good Nick]]''
| Ed
| Main role
| 
|-
| ''[[Brooklyn Nine-Nine]]''
| Sergeant Knox
| Episode: "[[Ticking Clocks]]"
| 
|-
| 2019–2020
| ''[[Supergirl (TV series)|Supergirl]]''
| Pete Andrews
| 2 episodes
| 
|-
| 2020
| ''[[New Looney Tunes]]''
| Himself
| Voice; 3 episodes
|
|-
| rowspan="3" | 2021
| ''[[Jungledyret Hugo]]''
| Hugo
| Voice
| 
|-
| ''Playing with Power: The Nintendo Story''
| Narrator
| 
| 
|-
| ''[[Scooby-Doo and Guess Who?]]''
| Himself
| Voice; episode: "Returning of the Key Ring!"<ref name="btva" />
| 
|-
| 2023
| ''[[Perry Mason (2020 TV series)|Perry Mason]]''
| Sunny Gryce
| Season 2 (8 episodes)
|<ref>{{cite news |url=https://www.abqjournal.com/2579673/second-season-of-hbos-perry-mason-challenges-peter-mendoza-with-dynamic-role.html |title=Second season of HBO's 'Perry Mason' challenges Peter Mendoza with dynamic role |date=March 8, 2023 |work=[[Albuquerque Journal]] |first=Adrian |last=Gomez |access-date=March 15, 2023}}</ref>
|-
| 2023–2025
| ''{{sortname|The|Conners}}''
| Tyler
| 8 episodes
|<ref>{{cite news |url=https://www.msn.com/en-us/tv/news/sean-astin-s-the-conners-season-5-role-solves-a-becky-problem/ar-AA1a7pB0 |title=Sean Astin's The Conners Season 5 Role Solves A Becky Problem |date=April 20, 2023 |work=[[Screen Rant]] |first=Cathal |last=Gunning |access-date=April 21, 2023}}</ref>
|-
| 2023
| ''[[Kung Fu Panda: The Dragon Knight]]''
| Master Sloth
| Voice; 2 episodes
| 
|-
| 2024
| ''[[A Nonsense Christmas with Sabrina Carpenter]]''
| Himself / [[Santa Claus]]
| [[Netflix]] holiday special
|<ref>{{cite magazine |url=https://www.rollingstone.com/music/music-features/sabrina-carpenter-nonsense-christmas-special-netflix-1235192678/ |title=The 10 Best Moments From Sabrina Carpenter's Star-Studded 'Nonsense Christmas' Special |date=December 6, 2024 |magazine=Rolling Stone |first=Angie |last=Martoccio |access-date=December 8, 2024}}</ref>
|}

=== Stage ===
{| class="wikitable sortable plainrowheaders"
|-
! scope="col" | Year
! scope="col" | Title
! scope="col" | Venue
! scope="col" | Role
|-
| 2024–2025
| ''[[Elf (musical)|Elf]]'' (Broadway revival)
| [[Marquis Theatre]]
| Santa Claus / Mr. Greenway<ref>{{cite news |url=https://www.broadwayworld.com/article/Video-Sean-Astin-Discusses-Duality-of-Roles-in-Broadways-ELF-20241204 |title=Sean Astin Discusses Duality of Roles in Broadway's ELF |date=December 4, 2024 |website=[[BroadwayWorld]] |first=Josh |last=Sharpe |access-date=September 16, 2025}}</ref>
|}

=== Web series ===
{| class="wikitable sortable plainrowheaders"
|-
! scope="col" | Year
! scope="col" | Title
! scope="col" | Role
|-
| 2015
| ''[[Con Man (web series)|Con Man]]''
| Himself
|-
| 2020
| ''[[Wayward Guide for the Untrained Eye]]''
| Lesly Stone
|-
| 2023
| ''[[Third Eye (podcast)|Third Eye]]''<ref>{{cite web|url=https://www.forbes.com/sites/robsalkowitz/2023/10/20/felicia-day-on-her-new-third-eye-podcast-and-the-joy-of-subversion/?sh=1c999913a2dc|title=Felica Day on her New 'Third Eye' podcast|work=Forbes|first=Rob|last=Salkowitz|date=October 20, 2023}}</ref>
| Frank
|}

=== Video games ===
{| class="wikitable sortable plainrowheaders"
|-
! scope="col" | Year
! scope="col" | Title
! scope="col" | Role
! scope="col" | Notes
|-
| 2002
| ''[[Kingdom Hearts (video game)|Kingdom Hearts]]''
| [[List of Disney's Hercules characters#Hercules|Hercules]]
| English version
|-
| 2003
| ''{{sortname|The|Lord of the Rings: The Return of the King|The Lord of the Rings: The Return of the King (video game)}}''
| Samwise Gamgee
| 
|-
| 2004
| ''[[Men of Valor]]''
| Pat 'Mouth' Hodges
| 
|-
| 2006
| ''{{sortname|The|Lord of the Rings: The Battle for Middle-earth II: The Rise of the Witch-king}}''
| rowspan="3" | Samwise Gamgee
| 
|-
| 2010
| ''{{sortname|The|Lord of the Rings: Aragorn's Quest}}''
| 
|-
| 2012
| ''[[Lego The Lord of the Rings (video game)|Lego The Lord of the Rings]]''
| Archive recordings
|-
| 2013
| ''[[Teenage Mutant Ninja Turtles (2013 video game)|Teenage Mutant Ninja Turtles]]''
| Raphael
| 
|-
| 2015
| ''[[Lego Dimensions]]''
| Samwise Gamgee
| 
|-
| 2016
| ''[[Minecraft: Story Mode]]''
| Reginald
|<ref name="btva" />
|-
| 2024
| ''Teenage Mutant Ninja Turtles: Wrath of the Mutants''
| rowspan="2"|Raphael
|<ref name="btva" />
|-
| 2025
| ''Nicktoons & The Dice of Destiny''
|
|}

== Awards and nominations ==
{| class= "wikitable sortable plainrowheaders"
|-
! scope="col" | Year
! scope="col" | Association
! scope="col" | Category
! scope="col" | Work
! scope="col" | Result
! scope="col" class="unsortable" | {{Tooltip|Ref.|Reference(s)}}
|-
| 1985
| [[Young Artist Award]]s
| [[7th Youth in Film Awards#Best Young Performer in a Motion Picture|Best Starring Performance by a Young Actor&nbsp;– Motion Picture]]
| ''The Goonies''
| {{won}}
| 
|-
| 1989
| [[Young Artist Award]]s
| [[11th Youth in Film Awards#Best Young Performer in a Motion Picture|Best Young Actor Starring in a Motion Picture]]
| ''Staying Together''
| {{won}}
| 
|-
| 1991
| [[Young Artist Award]]s
| [[13th Youth in Film Awards#Best Young Ensemble Performance|Outstanding Young Ensemble Cast in a Motion Picture]]
| ''Toy Soldiers''
| {{nom}}
| 
|-
| 1994
| [[Academy Awards]]
| [[Academy Award for Best Live Action Short Film|Best Live Action Short Film]]
| ''Kangaroo Court''
| {{nom}}
| 
|-
| 2001
| [[Screen Actors Guild]]
| [[Screen Actors Guild Award for Outstanding Performance by a Cast in a Motion Picture|Outstanding Performance by a Cast in a Motion Picture]]
| ''The Lord of the Rings: The Fellowship of the Ring''
| {{nom}}
| 
|-
| rowspan="3" | 2002
| [[MTV Movie Awards]]
| [[MTV Movie Award for Best On-Screen Team]] <small>(shared with [[Elijah Wood]] and ''Gollum''/[[Andy Serkis]])</small>
| ''The Lord of the Rings: The Two Towers''
| {{won}}
| 
|-
| [[Visual Effects Society]]
| [[Visual Effects Society Awards 2002|Best Performance by an Actor in an Effects Film]] <small>(shared with [[Elijah Wood]] and [[Andy Serkis]])</small>
| ''The Lord of the Rings: The Two Towers''
| {{won}}
| 
|-
| [[Screen Actors Guild]]
| [[9th Screen Actors Guild Awards#Outstanding Performance by a Cast|Outstanding Performance by a Cast in a Motion Picture]]
| ''The Lord of the Rings: The Two Towers''
| {{nom}}
| 
|-
| rowspan="6" | 2003
| [[Chicago Film Critics Association]]
| [[Chicago Film Critics Association Awards 2003|Best Supporting Actor]]
| ''The Lord of the Rings: The Return of the King''
| {{nom}}
| 
|-
| [[National Board of Review]]
| [[National Board of Review Award for Best Cast#2000s|Best Cast]]
| ''The Lord of the Rings: The Return of the King''
| {{won}}
| 
|-
| [[Saturn Awards]]
| [[Saturn Award for Best Supporting Actor|Best Supporting Actor]]
| ''The Lord of the Rings: The Return of the King''
| {{won}}
| 
|-
| [[Screen Actors Guild]]
| [[10th Screen Actors Guild Awards#Outstanding Performance by a Cast|Outstanding Performance by a Cast in a Motion Picture]]
| ''The Lord of the Rings: The Return of the King''
| {{won}}
| 
|-
| [[Visual Effects Society]]
| [[Visual Effects Society Awards 2003|Outstanding Male or Female Actor]]
| ''The Lord of the Rings: The Return of the King''
| {{won}}
| 
|-
| [[Washington D.C. Area Film Critics Association]]
| [[Washington D.C. Area Film Critics Association Awards 2003|Best Ensemble]]
| ''The Lord of the Rings: The Return of the King''
| {{nom}}
| 
|-
| 2014
| [[Utah Film Awards]]
| Best Actor
| ''The Freemason''
| {{won}}
| style="text-align:center;" |<ref>{{cite web |url=http://www.theutahfilmawards.com/2014-winners/ |title=2014 Winners |access-date=March 14, 2018 |website=Utah Film Awards |archive-url=https://web.archive.org/web/20180329100527/http://www.theutahfilmawards.com/2014-winners/ |archive-date=March 29, 2018 |url-status=live}}</ref>
|-
| 2017
| [[Screen Actors Guild]]
| [[Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series|Outstanding Performance by an Ensemble in a Drama Series]]
| ''Stranger Things''
| {{nom}}
| 
|-
|}

== References ==
{{Reflist}}

== Further reading ==
* {{cite book| last=Dye| first=David| title=Child and Youth Actors: Filmography of Their Entire Careers, 1914–1985| location=Jefferson, NC| publisher=McFarland & Co.| year=1988| page=[https://archive.org/details/childyouthactors00dyed/page/7 7]| isbn=978-0899502472| url=https://archive.org/details/childyouthactors00dyed/page/7}}
* {{cite book| author-link=John Holmstrom| last=Holmstrom| first=John| title=The Moving Picture Boy: An International Encyclopaedia from 1895 to 1995| location=Norwich| publisher=Michael Russell| year=1996| pages=385–386| isbn=978-0859551786}}

== External links ==

{{Commons category|Sean Astin}}

* {{Official website|https://www.seanastin.com/}}
* {{AFI person | 174520-Sean-Astin }}
* {{IMDb name}}
* {{Tcmdb name}}

{{Navboxes
|title = Awards for Sean Astin
|list =
{{MTV Movie Award for Best On-Screen Duo}}
{{Saturn Award for Best Supporting Actor}}
{{Young Artist Award for Best Leading Young Actor in a Feature Film}}
}}
{{SAG presidents}}

{{Authority control}}

{{DEFAULTSORT:Astin, Sean}}
[[Category:1971 births]]
[[Category:20th-century American male actors]]
[[Category:21st-century American male actors]]
[[Category:American child models]]
[[Category:American Lutherans]]
[[Category:American male child actors]]
[[Category:American male film actors]]
[[Category:American male stage actors]]
[[Category:American male television actors]]
[[Category:American male video game actors]]
[[Category:American male voice actors]]
[[Category:American people of German descent]]
[[Category:American people of Irish descent]]
[[Category:American people of Jewish descent]]
[[Category:American University alumni]]
[[Category:Crossroads School alumni]]
[[Category:Film directors from Los Angeles]]
[[Category:Film producers from California]]
[[Category:Jewish American film people]]
[[Category:Jewish American male actors]]
[[Category:Living people]]
[[Category:Los Angeles Valley College people]]
[[Category:Male actors from Santa Monica, California]]
[[Category:Outstanding Performance by a Cast in a Motion Picture Screen Actors Guild Award winners]]
[[Category:University of California, Los Angeles alumni]]