An heiress suddenly vanishes! A detective comes to the forlorn mansion of the missing heiress's wheel-chair-ridden uncle to discover the secret behind the disappearance.
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| Directing | Godfrey Grayson | Director |
| Writing | Wilfred Burr | Theatre Play |
| Writing | Ambrose Grayson | Screenplay |
| Writing | Roy Plomley | Screenplay |
| Costume & Make-Up | Marjorie Green | Makeup Artist |
| Production | Anthony Hinds | Producer |
| Production | Arthur Barnes | Production Manager |
| Directing | Bob Jones | Assistant Director |
| Editing | Ray Pitt | Editor |
| Camera | Peter Bryan | Camera Operator |
| Sound | Frank Spencer | Music Director |
| Sound | Rupert Grayson | Music Director |
| Camera | Cedric Williams | Director of Photography |
| Sound | Edgar Vetter | Sound |
