Directed by
| Sinclair Hill | ||
Writing Credits (in alphabetical order)
| Roger MacDougall | ... | (original story) |
| Alexander Mackendrick | ... | (original story) |
| G.H. Moresby-White | ... | (adaptation) |
| D.B. Wyndham-Lewis | ... | (dialogue) |
Cast (in credits order) complete, awaiting verification
| Charles Farrell | ... | Briant Gaunt | |
| Fritz Kortner | ... | Minister Peters of Grovnia | |
| Margaret Vyner | ... | Mary Stevens | |
| Danny Green | ... | Socks, American Henchman | |
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Wallace Evennett | ... | Smith, Bowler-hat Henchman |
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Monti DeLyle | ... | Pierre - Knife-throwing Henchman (as Monti De Lyle) |
| Dino Galvani | ... | Tony, Slender Henchman | |
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Dennis Val Norton | ... | Vronsky - Peters' Aide |
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Terence O'Brien | ... | Secret Agent Fearns |
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Arthur Finn | ... | Mac - Newspaper Editor |
| Lawrence Hanray | ... | Sir George - Lead Conspirator | |
| Andreas Malandrinos | ... | Zadek (as Andrea Malandrinos) | |
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Reyner Barton | ... | Conference President |
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Arthur Gomez | ... | Baron von Kleisch - Delegate |
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Billy Bray | ... | Banks |
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Evan John | ... | Dr. Marsh |
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Raymond Lovell | ... | Harris |
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Victor Tandy | ... | Groves |
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Sydney King | ... | Graham Stevens |
| Rest of cast listed alphabetically: | |||
| Howard Douglas | ... | Conference Delegate (uncredited) | |
Produced by
| Angus MacLeod | ... | assistant producer |
Music by
| John Reynders | ||
| Hal Evans | ... | (uncredited) |
Cinematography by
| Cyril Bristow | ||
Editing by
| John E. Morris | ||
Costume Design by
| Jill Casson | ||
Production Management
| Sinclair Hill | ... | director of productions |
| Harcourt Templeman | ... | general manager: production |
Second Unit Director or Assistant Director
| W. Bangs | ... | assistant director |
Art Department
| C. Wilfred Arnold | ... | settings |
Sound Department
| C. Gentle | ... | sound recordist (as L. Gentle) |
Camera and Electrical Department
| Paul Barralet | ... | cameraman (as Paul Barrelet) |
| Robert Walker | ... | chief camera operator (as Bob Walker) |
Music Department
| John Reynders | ... | musical director (uncredited) |
Additional Crew
| Michael Hankinson | ... | associate director |
| Eric J. Rigby | ... | technical advisor |
