Sean Patrick Astin (born Sean Patrick Duke; February 25, 1971) is an American actor, director, voice artist, and producer best known for his film roles as Samwise Gamgee in The Lord of the Rings trilogy, Mikey Walsh in The Goonies, and the title character of Rudy. In television, he appeared as Lynn McGill in season five of 24 and currently voices Raphael in the 2012 Nickelodeon Teenage Mutant Ninja Turtles TV series and Oso in the Disney Junior show Special Agent Oso.