John 'Killer' Mears, Cell 4

Preston Foster

Richard 'Dick' Walters, Cell 5

Howard Phillips

Rabbi

Edward Van Sloan

Mrs. Walters

Louise Carter

Pat Callahan... Principal Keeper

Ralph Theodore

Mike O'Flaherty, Guard

Jack Kennedy

Peddie... Guard

William Scott

Harris... Guard

Kenneth MacDonald

Warden Frank Lewis

Frank Sheridan

Joe Berg, Cell 1

George E. Stone

D'Amoro, Cell 6

Noel Madison

Kirby... Cell 7 (as Allan Roscoe)

Alan Roscoe

Eddie Werner... Cell 8

Paul Fix

Father O'Connor

Alec B. Francis

Drake, Guard

Albert J. Smith

Fred Mayer... Cell 3

Al Hill

Sonny Jackson... Cell 2

Daniel L. Haynes

Director of Photography

Arthur Edeson

Screenplay

Seton I. Miller

Director

Samuel Bischoff

Theatre Play

John Wexley

Editor

Rose Loewinger