He appeared in the movies Big Fish and Dedication. His other credits include Watchmen, Jesus' Son, and Mission: Impossible III.
He was a brother in the Delta Kappa Epsilon Fraternity in college. He debuted as Tommy Marcano in the 1996 film, Sleepers.
He won a Tony Award for his performance in the Broadway show, Coast of Utopia.
He had a son named William Atticus Parker in 2004 with his then-girlfriend Mary-Louise Parker. He had a four year relationship with Claire Danes.
He was in the 2009 movie, Public Enemies, starring Johnny Depp.