Diretor/a
Nick Grinde
DIRETOR/A
Elenco (na ordem dos créditos)
Boris Karloff
Dr. John Garth
Evelyn Keyes
Martha Garth
Bruce Bennett
Dr. Paul Ames
Edward Van Sloan
Dr. Ralph Howard
Ben Taggart
Warden Thompson
Pedro de Cordoba
Victor Sondini
Wright Kramer
George Wharton
Bertram Marburgh
Stephen Barclay
Don Beddoe
Police Capt. McGraw
Robert Fiske
District Attorney
Kenneth MacDonald
Anson, Prison Guard
Frank Richards
Otto Kron
Ernie Adams
Sam - Hospital Prison Orderly(uncredited)
Stanley Brown
Prison Gate Guard(uncredited)
Frederick Burton
Governor Prentiss(uncredited)
Jack Cheatham
Patrolman Olson(uncredited)
Edward Earle
Dr. Nichols(uncredited)
Richard Fiske
Mandish(uncredited)
Sam Harris
Courtroom Spectator(uncredited)
Eddie Laughton
Guard(uncredited)
James T. Mack
Butler(uncredited)
George McKay
Reardon(uncredited)
Bert Moorhouse
Counsel at Defense Table(uncredited)
Edmund Mortimer
Charles Trowbridge
Judge Braden(uncredited)
John Tyrrell
Sanders(uncredited)
Gohr Van Vleck
Police Dispatcher(uncredited)