(Born Aug. 10, 1971) Justin Theroux is an American actor. Theroux made his film debut in 1996, in Mary Harron's "I Shot Andy Warhol". Since then, he has performed both on Broadway, and darker, more serious fare such as American Psycho and Mulholland Drive, widely considered to be his breakout movie. He recently appeared in the film versions of the cult TV show Strangers With Candy and Michael Mann's Miami Vice.