"A group of people in an old dark house are terrorized by a mysterious hooded figure dressed in black who proceeds to kill them off one by one."
Henry Kendall
as Reggie Ogden
Elizabeth Allan
as Sonia Bryant
Felix Aylmer
as Sir Richard Bryant
Jeanne Stuart
as Moya Silverton
Cyril Raymond
as Jim Silverton
Viola Compton
as Mrs. Bascomb
John Turnbull
as Detective Inspector Carr
Ralph Truman
as Chief Inspector Elliot
Denis Cowles
as Chief Inspector Fleming
Vincent Holman
as Wallis
James Raglan
as Beverley Kent
Gordon Begg
as Willit
Charles Carson
as Sir Edward Hulme KC
Baynham Honri
Sound Recordist
Gerald Verner
Theatre Play
Julius Hagen
Producer
Lister Laurance
Assistant Editor
Sydney Blythe
Director of Photography
H. Fowler Mear
Screenplay
Jack Harris
Editor
Fred V. Merrick
Assistant Director
James A. Carter
Art Direction
Terence Egan
George A. Cooper
Director