People in an old, dark mansion are menaced by a maniac called "The Black Ace".
Neil Broderick
Martha Winters
Clancy
Dugan
Thornton Drake
Austin Winters
Jerry Simons
Mrs. Quincy
Asa Marsden
Henderson
Pompey
Coroner
Director
Screenplay
Original Music Composer
Producer
Director of Photography
Costume Design
Editor
Art Direction
