
Leslie Banks
Dr. Manetta


A wealthy lord dies and is entombed with a valuable deposit of jewels. Seven keys are required to unlock the tomb and get hold of the treasure. A mad doctor uses an iron maiden to systematically eliminate the heirs to the fortune.
The Door with Seven Locks

Dr. Manetta

June Lansdowne

Ann Cody

Glenda Baker

Edward Havelock

Dick Martin

Inspector Cornelius 'Andy' Sneed

Luis Silva

Lord Charles Francis Selford
Bevan Cody
Tom Cawler
Chief Commissioner
John Selford
P.C. in Sneed's Office (Uncredited)

Handwriting Expert (Uncredited)

Novel
Art Direction
Director / Screenplay
Screenplay
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