Full Cast & Crew
Directed by
| Godfrey Grayson | ||
Writing Credits
| Roy Plomley | ... | (screenplay) and |
| Ambrose Grayson | ... | (screenplay) |
| Wilfred Burr | ... | (adapted from a play by) |
Cast (in credits order)
| Valentine Dyall | ... | Dr. Morelle | |
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Julia Lang | ... | Miss Frayle |
| Hugh Griffith | ... | Bensall | |
| Philip Leaver | ... | Kimber | |
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Jean Lodge | ... | Cynthia Mason |
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Peter Drury | ... | Peter Lorimer |
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Sidney Vivian | ... | Inspector |
| John Sharp | ... | Detective Sergeant Jackson | |
| Rest of cast listed alphabetically: | |||
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James Raglan | ||
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Bruce Walker | ||
Produced by
| Anthony Hinds | ... | producer |
| Edward G. Whiting | ... | producer |
Cinematography by
| Cedric Williams | ... | director of photography |
Editing by
| Ray Pitt | ||
Casting By
| Mary Harris | ||
Art Direction by
| James Marchant | ||
Makeup Department
| Marjorie Green | ... | makeup artist |
| E. Hollis | ... | hair stylist |
Production Management
| Alfred Barnes | ... | production manager |
| Arthur Barnes | ... | production manager |
Second Unit Director or Assistant Director
| Bob Jones | ... | assistant director |
Sound Department
| Edgar Vetter | ... | sound recordist (as Vetter) |
Camera and Electrical Department
| Peter Bryan | ... | camera operator |
| Edgar Wrather | ... | still photographer |
Music Department
| Rupert Grayson | ... | musical director |
| Frank Spencer | ... | musical director |
Script and Continuity Department
| E. Chapman | ... | continuity |