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.
Ted Richards | Editor |
John Argyle | Producer |
Norman Lee | Director |
C. Gilbert | Art Direction |
Hamilton G. Inglis | Production Manager |
Ernest Palmer | Director of Photography |
Alex Bryce | Director of Photography |
Edgar Wallace | Novel |
F. McNally | Sound Recordist |
Gilbert Gunn | Screenplay |