Filmography
| Year | Title | Role | Notes |
|---|---|---|---|
| 1985 | Goonies, TheThe Goonies | Mikey Walsh | Young Artist Award for Best Starring Performance by a Young Actor – Motion Picture |
| 1987 | Like Father Like Son | Clarence | |
| White Water Summer | Alan | ||
| 1989 | War of the Roses, TheThe War of the Roses | 17's Josh | |
| Staying Together | Duncan McDermott | Young Artist Award for Best Young Actor Starring in a Motion Picture | |
| 1990 | Memphis Belle | Sergeant Richard "Rascal" Moore | |
| 1991 | Toy Soldiers | William Tepper | Nominated – Young Artist Award for Outstanding Young Ensemble Cast in a Motion Picture |
| The Willies | Michael | ||
| 1992 | Where the Day Takes You | Greg | |
| Encino Man | Dave Morgan | ||
| 1993 | Rudy | Daniel Ruettiger | |
| 1994 | Safe Passage | Izzy Singer | |
| 1995 | Low Life, TheThe Low Life | Andrew | |
| Harrison Bergeron | Harrison Bergeron | ||
| 1996 | Courage Under Fire | Patella | |
| 1998 | Boy Meets Girl | Mike | |
| Bulworth | Gary | ||
| 1999 | Deterrence | Ralph | |
| Kimberly | Bob | ||
| 2000 | Dish Dogs | Morgan | |
| Last Produce, TheThe Last Produce | Bo Pomerantz | ||
| Icebreaker | Matt Foster | ||
| Sky is Falling, TheThe Sky is Falling | Schwartz | ||
| 2001 | Lord of the Rings: The Fellowship of the Ring, TheThe Lord of the Rings: The Fellowship of the Ring | Samwise Gamgee | Phoenix Film Critics Society Award for Best Cast Nominated – Screen Actors Guild Award for Outstanding Performance by a Cast in a Motion Picture |
| 2002 | Lord of the Rings: The Two Towers, TheThe Lord of the Rings: The Two Towers | MTV Movie Award for Best On-Screen Team Phoenix Film Critics Society Award for Best Cast Nominated – Screen Actors Guild Award for Outstanding Performance by a Cast in a Motion Picture |
|
| 2003 | Lord of the Rings: The Return of the King, TheThe Lord of the Rings: The Return of the King | Las Vegas Film Critics Society Award for Best Supporting Actor National Board of Review Award for Best Cast Phoenix Film Critics Society Award for Best Supporting Actor Saturn Award for Best Supporting Actor Screen Actors Guild Award for Outstanding Performance by a Cast in a Motion Picture Seattle Film Critics Award for Best Supporting Actor SFCA Award for Best Supporting Actor Nominated – Empire Award for Best Actor Nominated – Chicago Film Critics Association Award for Best Supporting Actor Nominated – Online Film Critics Society Award for Best Supporting Actor Nominated – Phoenix Film Critics Society Award for Best Ensemble Acting |
|
| 2004 | Balto III: Wings of Change | Kodi | Voice |
| Elvis Has Left the Building | Aaron | ||
| 50 First Dates | Doug Whitmore | ||
| 2005 | Smile | Matthews | |
| Bigger Than the Sky | Ken Zorbell | ||
| Slipstream | Stuart Conway | ||
| Marilyn Hotchkiss Ballroom Dancing & Charm School | Kip Kipling | ||
| Into The West | Martin Jarrett | ||
| Borderland | Randall | ||
| Thanks to Gravity | Coach Amal | ||
| 2006 | What Love Is | George | |
| Asterix and the Vikings | Justforkix | English voice | |
| Click | Bill | ||
| 2007 | Final Season, TheThe Final Season | Kent Stock | |
| 2008 | Forever Strong | Marcus | |
| Spirit of the Forest | Furi (voice) | ||
| 2009 | Stay Cool | Big Girl | |
| 2010 | The Witches of Oz | Frack | |
| 2011 | Love's Christmas Journey | Mayor Wayne | |
| 2011 | Demoted | Austin | |
| 2012 | Boobathon | Takin Mastuhmik | fake trailer |
| Adopting Terror | Tim | TV Movie | |
| Amazing Love | Stuart | Astin's mother, Patty Duke, is also in the cast |
| Year | Title | Role | Notes |
|---|---|---|---|
| 1981 | Please Don't Hit Me, Mom | Brian Reynolds | Appeared with his mother, Patty Duke, who also played his mother |
| 1982 | The Rules of Marriage | Charlie Hagen | |
| 1985 | The O'Briens | The Son | |
| 1986 | B.R.A.T. Patrol, TheThe B.R.A.T. Patrol | Leonard Kinsey | |
| 2003 | Angel | Director | 4th season episode: "Soulless" |
| Jeremiah | Mister Smith | Directed season 2 episode: "The Face in the Mirror" | |
| 2005 | Meerkat Manor | Narrator | U.S.; Seasons 1–3 |
| Hercules | Linus | ||
| 2006 | 24 | Lynn McGill | 10 episodes |
| 2007 | Masters of Science Fiction | Charlie Kramer | Watchbird |
| Monk | Paul Buchanan | Episode: Mr.Monk Is At Your Service | |
| My Name Is Earl | Salesman | ||
| 2008 | Terry Pratchett's The Colour of Magic | Twoflower | United Kingdom |
| Law & Order | Pastor Hensley | 18th season episode: Angelgrove | |
| 2009 | Special Agent Oso | Agent Oso | voice |
| 2012 | Teenage Mutant Ninja Turtles | Raphael | Voice |
| NCIS | Tyler Elliot | Episode: The Tell | |
| Hollywood Treasure | Himself | Episode: Riddler Rudy and the Ruby Slippers | |
| Franklin and Bash | Viper | Episode: Viper | |
| Alphas | Mitchell | Episodes: If Memory Serves, Need to Know |
Read more about this topic: Sean Astin