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.
Is The Door with Seven Locks on Netflix? Unfortunately the movie The Door with Seven Locks is not yet available on Netflix.
| Production | Hamilton G. Inglis | Production Manager |
| Directing | Norman Lee | Director |
| Production | John Argyle | Producer |
| Editing | Ted Richards | Editor |
| Art | C. Gilbert | Art Direction |
| Camera | Ernest Palmer | Director of Photography |
| Camera | Alex Bryce | Director of Photography |
| Writing | Edgar Wallace | Novel |
| Sound | F. McNally | Sound Recordist |
| Sound | Guy Jones | Music Director |
| Camera | Ronald Anscombe | Camera Operator |
| Writing | Gilbert Gunn | Screenplay |
| Sound | Harry Benson | Sound Supervisor |
| Writing | Norman Lee | Screenplay |
| Directing | Roy Parkinson | First Assistant Director |
| Sound | Guy Jones | Original Music Composer |
