Directed by
| George King | ||
Writing Credits (in alphabetical order)
| Hugh Gray | ||
| Brock Williams | ||
| Basil Woon | ||
Cast (in credits order)
| Barry K. Barnes | ... | Tony Grigson | |
| Greta Gynt | ... | Diana | |
 |
Ian McLean | ... | Australian |
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Gordon McLeod | ... | German |
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Tony Shaw | ... | American |
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David Keir | ... | Prof. Burns |
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Vera Bogetti | ... | Lady |
| Peter Glenville | ... | Young Latin | |
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Peter Gawthorne | ... | Assistant Commissioner |
| George Merritt | ... | Inspector Canway | |
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Wilfrid Caithness | ... | Meason |
| Cecil Parker | ... | Sir Richard | |
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Kynaston Reeves | ... | Dr. George Frencham |
| Henry Oscar | ... | Claude Frencham | |
| Gus McNaughton | ... | Braithwaite | |
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Leslie Weston | ... | Welshman |
| Rest of cast listed alphabetically: | |||
|
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Jean Capra | ... | (uncredited) |
| Katie Johnson | ... | (uncredited) | |
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Leon Lindos | ... | (uncredited) |
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Alec Waugh | ... | (uncredited) |
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|
Sam Wolsey | ... | (uncredited) |
Produced by
| A.M. Salomon | ... | producer |
Music by
| Bretton Byrd | ... | (uncredited) |
Cinematography by
| Basil Emmott | ||
Camera and Electrical Department
| Ernest Steward | ... | camera operator |
Music Department
| Bretton Byrd | ... | musical director |
| Cecil Milner | ... | composer: additional music (uncredited) / orchestrator (uncredited) |
| Clive Richardson | ... | composer: additional music (uncredited) / orchestrator (uncredited) |
