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Joel McCrea as Lt. Col. Robert Taine |
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Evelyn Keyes as Cecily |
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Herbert Lom as Sandorski |
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Roland Culver as Randall |
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Marius Goring as Hiart |
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Frank Lawton as Hassingham |
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Patricia Laffan as Magda |
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Cyril Raymond as Cartwright |
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Karl Stepanek as Diss |
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David Hurst as Lex |
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Denis Lehrer as Reimann |
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Laurence Naismith as Blossom |
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Megs Jenkins as Mrs. Powell |
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Robert Dickens as Tommy |
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Jack McNaughton as Inspector Matthews |
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Arnold Bell as Sgt. Baines |
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Ellis Irving as Wharton |
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Clement McCallin as Inspector Sullivan |
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Joan Hickson as Station Announcer |
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Powys Thomas as Ambulance Driver |
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Charles Hammond as Railway Ticket Clerk (uncredited) |
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George Hilsdon as Police Constable (uncredited) |
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Ian Selby as Lex's Contact (uncredited) |
| Writing | Geoffrey Household | Novel |
| Directing | Robert Parrish | Director |
| Writing | Eric Ambler | Screenplay |
| Production | Raymond Stross | Producer |
| Editing | Russell Lloyd | Editor |
| Sound | Hans May | Original Music Composer |
| Camera | Stanley Pavey | Director of Photography |
| Art | Ivan King | Art Direction |
| Costume & Make-Up | Neville Smallwood | Makeup Artist |
| Costume & Make-Up | Jean Bear | Hairdresser |
| Production | Ernest Holding | Production Manager |
| Directing | Max Varnel | Assistant Director |
| Art | Ron Benton | Assistant Art Director |
| Crew | Ben Healey | Scenic Artist |
| Sound | Leonard Bulkley | Sound Mixer |
| Sound | George Burgess | Sound |
| Sound | Basil Rootes | Sound Recordist |
| Camera | Gerry Turpin | Camera Operator |
| Camera | Desmond Davis | Camera Operator |
| Camera | Godfrey A. Godar | Focus Puller |
| Camera | Dennis C. Lewiston | Clapper Loader |
| Editing | Tom Simpson | Associate Editor |
| Production | Ted Cotton | Location Manager |
| Directing | Connie Willis | Continuity |
