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

Sam Ash

Ames - Parolee (uncredited)

Raymond Bailey

Mystery Killer (uncredited)

Trevor Bardette

District Attorney (uncredited)

Bruce Bennett

Hazen - Guard (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)

George McKay

Clerk (uncredited)

Walter Miller

Detective (uncredited)