Peter Lorre

Stephen Danel

Rochelle Hudson

Lorraine Danel

Robert Wilcox

Mark Sheldon

Don Beddoe

Brand

George E. Stone

Siggy

Kenneth MacDonald

Doctor Rosener

Charles Middleton

Captain Cort

Stanley Brown

Eddie

Earl Gunn

Mitchell

Sam Ash

Ames - Parolee (uncredited)

Raymond Bailey

Mystery Killer (uncredited)

Trevor Bardette

District Attorney (uncredited)

Bruce Bennett

Hazen - Guard (uncredited)

Bernie Breakston

Townsend (uncredited)

Donald Douglas

Department of Justice Official

Richard Fiske

Hale (uncredited)

William Gould

Parole Board Member (uncredited)

Chuck Hamilton

Cop (uncredited)

Howard Hickman

Judge (uncredited)

Al Hill

Clinton (uncredited)

Eddie Laughton

Borgo - Parolee (uncredited)

George McKay

Clerk (uncredited)

Walter Miller

Detective (uncredited)

Edmund Mortimer

Parole Board Member (uncredited)

Forbes Murray

Chairman of Parole Board (uncredited)

Lee Prather

Warden (uncredited)

Addison Richards

Jackson (#46) (uncredited)

Harry Strang

Cop (uncredited)

John Tyrrell

Durkin - Prisoner (uncredited)