Lew Landers Director Boris Karloff Edmond Bateman Actor Bela Lugosi Dr. Richard Vollin Actor Irene Ware Jean Thatcher Actor Lester Matthews Dr. Jerry Halden, Dr. Jerry Holden Actor Samuel S. Hinds Judge Thatcher Actor Inez Courtney Mary Burns Actor Ian Wolfe Col. Bertram Grant, Geoffrey `'Pinky'` Actor Spencer Charters Geoffrey, Col. Bertram Grant Actor Maidel Turner Harriet Actor Arthur Hoyt Chapman Actor Walter Miller Bedside Dr. at Judge's Right Actor David Boehm Screenwriter David Diamond Producer Charles J. Stumar Cinematographer Albert Akst Film Editing Albert D'Agostino Art Director