Overview
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.

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.

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)
Chief Commissioner (Uncredited)




















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