He played the rumbling gang leader Riff in West Side Story in 1961.
He was first discovered by the actor Lloyd Bridges for the play Stone Jungle at age ten.
He choreographed Elvis Presley's Jailhouse Rock before he played the leader of the Jets.
His parents are actors, Sally Triplett and Eddie Tamblyn.
He is best known for his work in West Side Story, directed by Jerome Robbins.