Directed by
| Fred Ellis | ... | (as Fred Elles) |
Writing Credits
| Nigel Morland | ... | (original story) |
| Nigel Morland | ... | (dialogue) |
| Nigel Morland | ... | (based on his novels featuring "Mrs. Pym") |
| Fred Ellis | ... | (screenplay) (as Fred Elles) and |
| Peggy Barwell | ... | (screenplay) |
| Fred Ellis | ... | (additional dialogue) (as Fred Elles) and |
| Peggy Barwell | ... | (additional dialogue) |
Cast (in credits order) complete, awaiting verification
| Mary Clare | ... | Mrs Pym | |
| Edward Lexy | ... | Det.-Inspector Shott | |
| Nigel Patrick | ... | Richard Loddon | |
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Janet Johnson | ... | Maraday Wood |
| Anthony Ireland | ... | Henry Mencken | |
| Irene Handl | ... | Miss Bell | |
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Vernon Kelso | ... | Frank Wood |
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Robert English | ... | Commissioner of Police |
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Lionel Dymoke | ... | Assistant Commissioner |
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Arthur Ridley | ... | Divisional Surgeon |
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Ben Williams | ... | Detective-Constable |
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Arthur E. Owen | ... | Hall Porter (as Arthur Owen) |
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Jack Jameson | ... | Clerk from Criminal Record Office |
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Joan Halliday | ... | Eliza Puttick (as Joan Halladay) |
Produced by
| Victor Katona | ... | producer |
Cinematography by
| J.A. McClafferty | ... | (photographed by) |
Editing by
| Georges Grace | ... | (as George Grace) |
Production Management
| John Mallinson | ... | production manager |
Second Unit Director or Assistant Director
| Grace Little | ... | assistant director |
Art Department
| Jack Maxsted | ... | sets designer (as Jack Maxted) |
Sound Department
| Carlisle Mounteney | ... | recorded by (as C. Mounteney) |
Camera and Electrical Department
| Bryan Langley | ... | lighting expert (as Brian Langley) |
Additional Crew
| Victor Katona | ... | presenter |
