George La Main (as John Barrymore Jr.)
John Drew Barrymore
Andy La Main
Preston Foster
Ringsider at Fight
Robert Aldrich
Edna Smith
Marion Rostina
Joan Lorring
Al Judge
Howard St. John
Julie Rostina
Dorothy Comingore
Dr. James Cooper
Philip Bourneuf
Flanagan
Howland Chamberlain
Kennealy
Myron Healey
Peckinpaugh (as Emil Meyer)
Emile Meyer
Singer, Terry Angeleus
Mauri Lynn
Director
Joseph Losey
Screenplay
Ring Lardner, Jr.
Novel
Stanley Ellin
Director of Photography
Hal Mohr
Hugo Butler
Original Music Composer
Lyn Murray
Producer
Philip A. Waxman
Editor
Edward Mann
Art Direction
Nicolai Remisoff
Set Decoration
Edward G. Boyle
Sound Designer
Leon Becker
Mac Dalgleish
Costume Design
Joe King
Property Master
John Orlando