Michael Seeley
Hugh Williams
Sam Hackett
Gordon Harker
Gloria Gaye
Jeanne Stuart
Mrs. Albert
Clare Greet
Insp. Mason
Norman McKinnel
Janice Harman
Renee Gadd
Donald Bateman
Richard Bird
Inez Landor
Nora Swinburne
Louis Landor
Leslie Perrins
Dr. Marford
J.H. Roberts
Dr. Rudd
D.A. Clarke-Smith
Sgt. Elk
Gibb McLaughlin
Director of Photography
Bernard Knowles
Theatre Play
Edgar Wallace
Writer
Angus MacPhail
Producer
Michael Balcon
Adaptation
Bryan Edgar Wallace
Alex Bryce
Art Direction
Norman G. Arnold
Sound
Harold V. King
Music Director
Louis Levy
Director
T. Hayes Hunter