On screen
Cast
15 credited performers
Bela Lugosi
Dr. Paul Carruthers
Suzanne Kaaren
Mary Heath
Dave O'Brien
Johnny Layton
Guy Usher
Henry Morton
Yolande Donlan
Maxine
Donald Kerr
'One-Shot' McGuire
Artwork unavailable
Edmund Mortimer
Martin Heath
Gene O'Donnell
Don Morton
Artwork unavailable
Alan Baldwin
Tommy Heath
Artwork unavailable
John Ellis
Roy Heath
Arthur Q. Bryan
Joe McGinty
Hal Price
Chief Wilkins
John Davidson
Prof. Percival Garland Raines
Artwork unavailable
Billy Griffith
Coroner (scenes deleted)
Artwork unavailable
Wally Rairden
Walter King