| First Name | Sean |
| Middle Name | Patrick |
| Last Name | Astin |
| Full Name at Birth | Sean Patrick Astin |
| Age | 40 |
| Date of Birth | February 25, 1971 |
| Birthplace | Santa Monica, CA |
| Height | 5' 6" (168 cm) |
| Build | Average |
| Eye Color | Brown - Light |
| Hair Color | Brown - Dark |
| Star Sign | Pisces |
| Ethnicity | White |
| Nationality | American |
| High School | Crossroads High School, Santa Monica, CA |
| University | BA History and English, UCLA |
| Occupation | Actor |
| Occupation Category | Actor |
| Claim to Fame | The Goonies, The Hobbit |
| Official Website | seanastin.com |
| Mother | Patty Duke (actress) |
| Brother(s) | Mackenzie Astin (actor) |
Sean Astin (born February 25, 1971) is an American film actor, director, and producer better known for his film roles as Mikey Walsh in The Goonies, the title character of Rudy, and Samwise Gamgee in the Lord of the Rings trilogy. In television, he appeared as Lynn McGill in the fifth season of 24. Most recently, he provided the voice for the title character in Disney's Special Agent Oso.
Selected Sean Astin film and TV show credits: