Delbert Mann Director Don Murray Charlie Samson Actor E.G. Marshall Walter Actor Jack Warden Eddie Watkins Actor Patricia Smith Helen Samson Actor Carolyn Jones The Existentialist Actor Larry Blyden Kenneth Actor Philip Abbott Arnold Craig Actor Paddy Chayefsky Screenwriter Harold Hecht Producer James Hill Producer Burt Lancaster Producer Paul Mertz Original Music Alex North Original Music Joseph LaShelle Cinematographer Ted Haworth Art Director Edward G. Boyle Set Decoration Mary Grant Costume Design