Directed by
| Seth Holt | ||
Writing Credits
| Jimmy Sangster | ... | (written by) |
Cast (in credits order) verified as complete
| Susan Strasberg | ... | Penny Appleby | |
| Ronald Lewis | ... | Robert | |
| Ann Todd | ... | Jane Appleby | |
| Christopher Lee | ... | Dr. Pierre Gerrard | |
| John Serret | ... | Inspector Legrand | |
| Leonard Sachs | ... | Mr. Spratt | |
| Anne Blake | ... | Marie | |
| Fred Johnson | ... | Mr. Appleby | |
| Rest of cast listed alphabetically: | |||
 |
Heinz Bernard | ... | Plainclothes Officer (uncredited) |
|
|
Bernard Browne | ... | Gendarme (uncredited) |
| Rodney Burke | ... | Policeman (uncredited) | |
|
|
Brian Jackson | ... | Plainclothes Officer (uncredited) |
|
|
Richard Klee | ... | Plainclothes Sergeant (uncredited) |
|
|
Madame Lobegue | ... | Swiss Air Hostess (uncredited) |
|
|
Frederick Rawlings | ... | Plainclothes Sergeant (uncredited) |
|
|
Frederick Schrecker | ... | Plainclothes Officer (uncredited) |
|
|
Gordon Sterne | ... | Policeman (uncredited) |
Produced by
| Michael Carreras | ... | executive producer |
| Jimmy Sangster | ... | producer |
Music by
| Clifton Parker | ||
Cinematography by
| Douglas Slocombe | ... | director of photography |
Editing by
| Eric Boyd-Perkins | ||
Casting By
| Stuart Lyons | ||
Production Design by
| Bernard Robinson | ||
Art Direction by
| Thomas Goswell | ... | (uncredited) |
Makeup Department
| Eileen Bates | ... | hair stylist |
| Basil Newall | ... | make-up artist |
Production Management
| William Hill | ... | production manager (as Bill Hill) |
Second Unit Director or Assistant Director
| David Tomblin | ... | assistant director |
| Terry Lens | ... | second assistant director (uncredited) |
Art Department
| Bill Constable | ... | assistant art director (uncredited) |
Sound Department
| Jim Groom | ... | sound editor (as James Groom) |
| Les Hammond | ... | sound recordist (as Leslie Hammond) |
| Teddy Mason | ... | sound recordist (as E. Mason) |
| Len Shilton | ... | sound recordist |
| John Crome | ... | assistant sound editor (uncredited) |
Special Effects by
| Les Bowie | ... | special effects (uncredited) |
| Ian Scoones | ... | special effects assistant (uncredited) |
Camera and Electrical Department
| Desmond Davis | ... | camera operator |
| Ray Andrew | ... | clapper loader (uncredited) |
| Len Harris | ... | camera: second unit (uncredited) |
| George Higgins | ... | still photographer (uncredited) |
| John Jordan | ... | underwater camera operator (uncredited) |
| Alan McDonald | ... | clapper loader (uncredited) |
| Harry Oakes | ... | camera: second unit (uncredited) |
| Egil S. Woxholt | ... | underwater camera operator (uncredited) |
Costume and Wardrobe Department
| Dora Lloyd | ... | wardrobe mistress |
Editorial Department
| James Needs | ... | supervising editor |
| John Crome | ... | assistant editor (uncredited) |
Music Department
| John Hollingsworth | ... | musical supervisor |
Script and Continuity Department
| Pamela Mann | ... | continuity |
Additional Crew
| Colin Reid | ... | unit publicist (uncredited) |
| Dennison Thornton | ... | publicity director (uncredited) |
