Directed by
| Maclean Rogers | ||
Writing Credits
| Francis Durbridge | ... | (based on a Radio Thriller by) |
| A.R. Rawlinson | ... | (screenplay) |
Cast (in credits order)
| John Bentley | ... | Paul Temple | |
| Dinah Sheridan | ... | Steve Temple | |
| Jack Livesey | ... | Sir Graham Forbes | |
| Beatrice Varley | ... | Mrs. Weston | |
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Barbara Couper | ... | Mrs. Morgan |
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Jenny Mathot | ... | Jacqueline Giraud |
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Andrew Leigh | ... | Professor Hardwick |
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Hugh Dempster | ... | Oliver Ffollett |
| Dino Galvani | ... | Van Draper | |
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Ivan Samson | ... | Major Murray |
| Bruce Seton | ... | Bill Bryant | |
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Leo de Pokorny | ... | Dr. Steiner (as Leo De Pokorny/Leo de Pokorny) |
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Michael Brennan | ... | Hammond |
| Joseph O'Conor | ... | Inspector Crane | |
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Shaym Bahadur | ... | Rikki |
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Gerald Rex | ... | Ernie |
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Ben Williams | ... | Mr. Weston |
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Anne Hayes | ... | Celia Hardwick |
| Peter Butterworth | ... | Post Office Engineer | |
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Hamilton Keene | ... | An Interested Visitor |
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Frederick Morant | ... | Doctor |
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Jean Packer | ... | Nurse |
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Dennis Val Norton | ... | 1st Gangster (as Denis Val Norton) |
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Michael Hogarth | ... | 2nd Gangster |
| Rest of cast listed alphabetically: | |||
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Ernest Blyth | ... | Hotel Guest (uncredited) |
Produced by
| A.R. Rawlinson | ... | associate producer |
| Ernest G. Roy | ... | producer |
Music by
| Stanley Black | ||
Cinematography by
| Brendan J. Stafford | ... | director of photography (as Brendan Stafford) |
Editing by
| Sam Simmonds | ||
Art Direction by
| Harry White | ||
Makeup Department
| Vera Franklin | ... | hairdresser |
| Bill Lodge | ... | makeup artist |
Production Management
| E.S. Laurie | ... | production manager |
Second Unit Director or Assistant Director
| Denis Johnson | ... | assistant director |
| John Llewellyn Moxey | ... | first assistant director (uncredited) |
Sound Department
| Tommy Meyers | ... | sound recordist (as J Meyers) |
Camera and Electrical Department
| Dudley Lovell | ... | camera work (as D. Lovell) |
Costume and Wardrobe Department
| Evelyn Gibbs | ... | wardrobe |
Music Department
| Stanley Black | ... | conductor |
Script and Continuity Department
| Adele Reynolds | ... | continuity |
