Discover
Preston Foster
John 'Killer' Mears, Cell 4
Howard Phillips
Richard 'Dick' Walters, Cell 5
George E. Stone
Joe Berg, Cell 1
Noel Madison
D'Amoro, Cell 6
Alan Roscoe
Kirby... Cell 7 (as Allan Roscoe)
Paul Fix
Eddie Werner... Cell 8
Alec B. Francis
Father O'Connor
Albert J. Smith
Drake, Guard
Al Hill
Fred Mayer... Cell 3
Daniel L. Haynes
Sonny Jackson... Cell 2
Edward Van Sloan
Rabbi
Louise Carter
Mrs. Walters
Ralph Theodore
Pat Callahan... Principal Keeper
Jack Kennedy
Mike O'Flaherty, Guard
William Scott
Peddie... Guard
Kenneth MacDonald
Harris... Guard
Frank Sheridan
Warden Frank Lewis
Camera
Arthur Edeson
Director of Photography
Directing
Samuel Bischoff
Director
