Jack Kruschen started his career as a dramatic actor, then moved on to be a film actor in 1949. He became a television actor in 1956 when he had a role in an episode of Gunsmoke.
He was nominated for an Academy Award as Best Supporting Actor for his role in 1960's "The Apartment."
His final appearance was in 1997 in the film - Till There Was You, starring with with Sarah Jessica Parker