Directed by
| Victor Saville | ||
Writing Credits
| Sally Benson | ... | (screenplay) |
| Sally Benson | ... | (adaptation) and |
| Gerard Fairlie | ... | (adaptation) |
| Humphrey Slater | ... | (novel) |
Cast (in credits order) verified as complete
| Robert Taylor | ... | Maj. Michael Curragh | |
| Elizabeth Taylor | ... | Melinda Greyton | |
| Robert Flemyng | ... | Capt. Hugh Ladholme | |
| Harold Warrender | ... | Col. Hammerbrook | |
| Honor Blackman | ... | Joyce | |
| Marjorie Fielding | ... | Aunt Jessica | |
| Thora Hird | ... | Broaders | |
| Wilfrid Hyde-White | ... | Lord Pennistone (as Wilfred Hyde-White) | |
| Marie Ney | ... | Lady Pennistone | |
| Jack Allen | ... | Raglan | |
| Helen Haye | ... | Lady Witheringham | |
| Cicely Paget-Bowman | ... | Mrs. Hammerbrook | |
| Karel Stepanek | ... | Radek | |
| Nicholas Bruce | ... | Alek | |
| Cyril Smith | ... | Detective Inspector | |
| Rest of cast listed alphabetically: | |||
 |
Michael Dear | ... | Alred (uncredited) |
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Richard Duke | ... | Tube Train Passenger (uncredited) |
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Edna Morris | ... | Mrs. Parrish (uncredited) |
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Pat Ryan | ... | Tube Train Passenger (uncredited) |
| Janette Scott | ... | Toby (uncredited) | |
| Bill Travers | ... | Undetermined Secondary Role (uncredited) | |
Produced by
| Arthur Hornblow Jr. | ... | producer |
Music by
| John Wooldridge | ||
Cinematography by
| Freddie Young | ... | (as F.A. Young) (photographed by) |
Editing by
| Frank Clarke | ||
Art Direction by
| Alfred Junge | ||
Makeup Department
| Joan Johnstone | ... | hairdresser (uncredited) |
Production Management
| Dora Wright | ... | production manager |
| Roy Parkinson | ... | unit production manager (uncredited) |
Sound Department
| Sash Fisher | ... | sound recordist |
| A.W. Watkins | ... | recording director |
Visual Effects by
| Tom Howard | ... | photographic effects |
Camera and Electrical Department
| Skeets Kelly | ... | camera operator |
Music Department
| The Philharmonia Orchestra | ... | musicians: score |
| John Wooldridge | ... | conductor |
Script and Continuity Department
| Angela Martelli | ... | continuity (uncredited) |
Additional Crew
| Howard Layton | ... | stand-in: Robert Taylor (uncredited) |
