Sean Astin. Actor: Der Herr der Ringe: Die zwei Türme. Sean Patrick Astin (né Duke; February 25, 1971) is an American actor, voice actor, screenwriter, director, producer, family man, author, marathon runner, political activist and philanthropist who is well known for his film debut portraying Mikey in Steven Spielberg's Die Goonies (1985), for playing the title role in the critically acclaimed Touchdown - Sein Ziel ist der Sieg (1993), and...