Directed by
| Albert Parker | ||
Writing Credits (in alphabetical order)
| Edward Dryhurst | ... | (screenplay) (uncredited) |
| John Golden | ... | (play) |
| Hubert Osborne | ... | (play) |
| Hubert Osborne | ... | (screenplay) |
| Hallie Erminie Rives | ... | (acknowledgements to novel) (as Hallie Erminie Rives Wheeler) |
Cast (in credits order)
 |
Donald Gray | ... | James Martin |
|
|
Ann Wemyss | ... | Joan Bauer |
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Mary Newcomb | ... | Helen Rollins |
| Ronald Ward | ... | Michael Waring | |
|
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Henri De Vries | ... | Professor Bauer |
| Alastair Sim | ... | 'Pop' Lawler | |
| James Carew | ... | Dr. Rollins | |
|
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Henry Caine | ... | Sergeant Cox |
|
|
Eric Hales | ... | Carter |
|
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Joana Pereira | ... | Miss Bauer |
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Arnold Bell | ... | Leech |
|
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Lillian Talbot | ... | Mrs. Barker |
|
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Martin Lewis | ... | Minor Role |
| Rest of cast listed alphabetically: | |||
|
|
Charles Howard | ... | Minor Role (uncredited) |
Produced by
| John Findlay | ... | producer (uncredited) |
Music by
| Charles Cowlrick | ... | (uncredited) |
Cinematography by
| Ronald Neame | ||
Editing by
| Peter Tanner | ||
Art Direction by
| W.J. Hemsley | ||
Second Unit Director or Assistant Director
| Stanley Jackson | ... | assistant director |
Sound Department
| John Cox | ... | sound recordist |
Camera and Electrical Department
| Oswald Morris | ... | assistant camera |
Music Department
| Colin Wark | ... | musical director |
