Directed by
| Walter Forde | ||
Writing Credits (in alphabetical order)
| Val Guest | ... | (screen play) |
| Frank Launder | ... | (story) |
| J.O.C. Orton | ... | (screen play) |
| John P. Wynn | ... | (radio series) (as Hans Wolfgang Priwin) |
Cast (in credits order)
| Gordon Harker | ... | Inspector Hornleigh | |
| Alastair Sim | ... | Sergeant Bingham | |
| Phyllis Calvert | ... | Mrs. Wilkinson | |
| Edward Chapman | ... | Mr. Blenkinsop | |
| Charles Oliver | ... | Mr. Wilkinson | |
| Raymond Huntley | ... | Dr. Kerbishley | |
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Percy Walsh | ... | Inspector Blow |
| David Horne | ... | Commissioner | |
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Peter Gawthorne | ... | Colonel |
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Wally Patch | ... | Sergeant Major |
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Betty Jardine | ... | Daisy |
| O.B. Clarence | ... | Professor Mackenzie | |
| John Salew | ... | Mr. Tomboy | |
| Cyril Cusack | ... | Postal Sorter | |
| Bill Shine | ... | Hotel Porter | |
| Rest of cast listed alphabetically: | |||
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Sylvia Cecil | ... | (uncredited) |
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Richard Cooper | ... | (uncredited) |
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Noel Dainton | ... | Corporal (uncredited) |
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Arthur Denton | ... | Train Guard (uncredited) |
| Arthur Hambling | ... | Joe (uncredited) | |
| Allan Jeayes | ... | Brigadeer Lloyd (uncredited) | |
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James Knight | ... | Cinema Manager (uncredited) |
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Stuart Latham | ... | Mr. Jennings (uncredited) |
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Marie Makino | ... | (uncredited) |
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George Street | ... | Stores Sgt (uncredited) |
| Edward Underdown | ... | Soldier on Train (uncredited) | |
Produced by
| Edward Black | ... | producer |
Music by
| Louis Levy | ... | (uncredited) |
| Charles Williams | ... | (uncredited) |
Cinematography by
| Jack E. Cox | ... | (as Jack Cox) (photography) |
| Arthur Crabtree | ||
Editing by
| R.E. Dearing | ||
Art Direction by
| Alex Vetchinsky | ... | (as Vetchinsky) |
Second Unit Director or Assistant Director
| Douglas Peirce | ... | assistant director (uncredited) / second unit director (uncredited) |
Sound Department
| B.C. Sewell | ... | sound supervisor |
| Sydney Wiles | ... | sound recordist (as S. Wiles) |
| Eric Wood | ... | sound re-recordist (uncredited) |
Camera and Electrical Department
| Ken Behrens | ... | camera assistant: second unit (uncredited) |
| Phil Grindrod | ... | camera operator (uncredited) |
| J.A. McClafferty | ... | camera assistant: second unit (uncredited) |
| George Stevens | ... | camera operator: second unit (uncredited) |
Editorial Department
| Alfred Roome | ... | cutting |
Music Department
| Louis Levy | ... | musical director |
Script and Continuity Department
| Maisie Kelly | ... | continuity (uncredited) |