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)