Sean Astin is an American film actor, director, voice artist, and producer best 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. Astin also served as campaign manager for his friend, Democratic entertainment industry businessman Dan Adler in California's 36th congressional district special election, 2011. Astin was born Sean Patrick Duke in Santa... Monica, California, the son of actress Patty Duke. At the time, it was reported that Desi Arnaz, Jr., was his biological father. In 1994, Astin discovered his father was Michael Tell, a music promoter and writer, and publisher of the newspaper The Las Vegas Israelite. Tell's marriage to Patty Duke was annulled shortly before her marriage in 1972 to actor John Astin, who adopted Sean. In 1973, Duke gave birth to Astin's half-brother Mackenzie Astin, who also became an actor.
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