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Gordon Harker as Inspector Hornleigh |
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Alastair Sim as Sergeant Bingham |
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Phyllis Calvert as Mrs. Wilkinson |
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Edward Chapman as Mr. Blenkinsop |
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Charles Oliver as Dr. Wilkinson |
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Raymond Huntley as Dr. Kerbishley |
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Percy Walsh as Inspector Blow |
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David Horne as Commissioner |
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Peter Gawthorne as Colonel |
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Wally Patch as Sergeant Major |
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Betty Jardine as Daisy |
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O.B. Clarence as Professor Mackenzie |
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John Salew as Mr. Tomboy |
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Cyril Cusack as Postal Sorter |
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Bill Shine as Hotel Porter |
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Sylvia Cecil as |
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Edward Underdown as |
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Marie Makino as |
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Richard Cooper as |
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Noel Dainton as Corporal |
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Arthur Denton as Train Guard |
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Arthur Hambling as Joe |
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Allan Jeayes as Brigadeer Lloyd |
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James Knight as Cinema Manager |
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Stuart Latham as Mr. Jennings |
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George Street as Stores Sgt |
| Sound | Louis Levy | Music |
| Directing | Walter Forde | Director |
| Art | Alex Vetchinsky | Art Direction |
| Editing | R. E. Dearing | Editor |
| Production | Edward Black | Producer |
| Camera | Arthur Crabtree | Director of Photography |
| Camera | Jack E. Cox | Director of Photography |
| Sound | Charles Williams | Original Music Composer |
| Writing | John P. Wynn | Characters |
| Crew | John P. Wynn | Radio Play |
| Writing | J.O.C. Orton | Writer |
| Writing | Frank Launder | Writer |
| Writing | Val Guest | Writer |