On screen
Cast
32 credited performers
Lon Chaney Jr.
Dan McCormick
Lionel Atwill
Dr. Paul Rigas
Anne Nagel
June Lawrence
Frank Albertson
Mark Adams
Samuel S. Hinds
Dr. John Lawrence
William B. Davidson
District Attorney Ralph B. Stanley
Ben Taggart
Detective Sergeant Regan
Constance Bergen
Nurse
Ivan Miller
Doctor
Chester Gan
Chinese Boy, Wong
George Meader
Dr. Bruno
Frank O'Connor
Detective
John Dilson
Medical Examiner
Byron Foulger
Alienist #2
Jessie Arnold
Mrs. Frank Davis (uncredited)
James Blaine
Charlie, Prison Guard (uncredited)
Artwork unavailable
Gary Breckner
Radio Announcer (uncredited)
Artwork unavailable
Lowell Drew
Jury Foreman (uncredited)
Artwork unavailable
John Ellis
Assistant District Attorney (uncredited)
Douglas Evans
Police Radio Announcer (uncredited)
Artwork unavailable
Jack Gardner
Reporter (uncredited)
William Hall
Mike - Dynamo Operator (uncredited)
Russell Hicks
Warden Harris (uncredited)
Artwork unavailable
Wright Kramer
Judge (uncredited)
Artwork unavailable
Tom Quinn
Detective (uncredited)
Bob Reeves
Prison Guard (uncredited)
Artwork unavailable
Mel Ruick
Defense Attorney (uncredited)
Artwork unavailable
Francis Sayles
Frank Davis (uncredited)
Artwork unavailable
Paul Scott
Prison Chaplain (uncredited)
David Sharpe
Hay Wagon Passenger (uncredited)
Artwork unavailable
Victor Zimmerman
Dynamo Operator #2 (uncredited)
Artwork unavailable
Corky
Corky the Dog (uncredited)