Directed by
| Montgomery Tully | ||
Writing Credits
| Maurice J. Wilson | ... | (screenplay) and |
| Montgomery Tully | ... | (screenplay) |
| Gerald Anstruther | ... | (story "They Also Serve") and |
| Paul White | ... | (story "They Also Serve") |
Cast (in credits order)
| Stephen Murray | ... | Boris Turganev | |
| June Thorburn | ... | Leila | |
| Alan Wheatley | ... | Paul Skelton | |
| John Carson | ... | Richard Colman | |
 |
John Bown | ... | John Baxter |
| Jack Watson | ... | Capt. Foster | |
| Ernest Clark | ... | Dr. Pembury | |
| Peter Gilmore | ... | Tom Masters | |
| Marne Maitland | ... | Dr. Asafu | |
| Ellen Pollock | ... | Dr. Morrell | |
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Hugh Morton | ... | Sir Gilbert Saunders |
| Basil Dignam | ... | Richard Horton | |
| Victor Beaumont | ... | Petrov | |
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Hamilton Dyce | ... | Airport Controller |
| Michael Peake | ... | Barnes (Skeltons Manservant) | |
| Rest of cast listed alphabetically: | |||
|
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Jack Armstrong | ... | Man in Barfield Bar (uncredited) |
|
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Dan Cressey | ... | Policeman (uncredited) |
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Derek Francis | ... | Police Inspector (uncredited) |
| John G. Heller | ... | Police Officer (uncredited) | |
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Aileen Lewis | ... | Woman boarding a plane (uncredited) |
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John H. Watson | ... | Detective at Airport (uncredited) |
Produced by
| Maurice J. Wilson | ... | producer |
Music by
| Ken Thorne | ||
Cinematography by
| Geoffrey Faithfull | ... | (lighting cameraman) |
Editing by
| Eric Boyd-Perkins | ... | (as Eric Boyd - Perkins) |
Art Direction by
| Harry White | ||
Makeup Department
| Gene Beck | ... | makeup artist |
| Daphne Vollmer | ... | hairdresser |
Production Management
| Fred Gunn | ... | production manager (as Frederick Gunn) |
Second Unit Director or Assistant Director
| David Tringham | ... | first assistant director |
Sound Department
| John Bramall | ... | sound recordist (as J. Bramall) |
Camera and Electrical Department
| Gerry Anstiss | ... | camera operator (as G. Anstiss) |
Costume and Wardrobe Department
| Gladys James | ... | wardrobe |
Music Department
| Philip Martell | ... | musical director |
Script and Continuity Department
| Jane Buck | ... | continuity |
