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.
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6.2/10Rating on TMDBFrom The Movie Database25 votes
Leslie BanksDr. Manetta
Lilli PalmerJune Lansdowne
Cathleen NesbittAnn Cody
Gina MaloGlenda Baker
David HorneEdward Havelock
Romilly LungeDick Martin
Richard BirdInspector Cornelius 'Andy' Sneed
J.H. RobertsLuis Silva
Aubrey MallalieuLord Charles Francis SelfordHarry HutchinsonBevan CodyPhil RayTom CawlerGeorge StreetChief CommissionerRoss LandonJohn SelfordRaymond ManderP.C. in Sneed's Office (Uncredited)
Charles PatonHandwriting Expert (Uncredited)
