Directed by
| Guy Green | ||
Writing Credits
| Sterling Noel | ... | (novel) |
| Robert Buckner | ... | (screenplay) and |
| Bryan Forbes | ... | (screenplay) |
Cast (in credits order) complete, awaiting verification
| Michael Craig | ... | Larry Ellis / Steve Chancellor (dec.) | |
| Julia Arnall | ... | Diane Gilbert | |
| Brenda de Banzie | ... | Mme. Isabella Ballu | |
| Barbara Bates | ... | Judy Anderson | |
| David Kossoff | ... | Henryk van de Heide, CIA | |
| Gérard Oury | ... | Julius Pindar (as Gerard Oury) | |
| Geoffrey Keen | ... | Col. Burleigh, CIA | |
| Anton Diffring | ... | Anton Lauderbach | |
| Eric Pohlmann | ... | Gratz | |
| Eugene Deckers | ... | Vidal | |
| Jacques B. Brunius | ... | Lessage (as Jacques Brunius) | |
| Carl Jaffe | ... | Walter Dorffman (as Carl Jaffé) | |
| Gordon Tanner | ... | Curtice | |
| Alan Tilvern | ... | Brandelli | |
| Rest of cast listed alphabetically: | |||
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Balbina | ... | Lauderbach's Maid (uncredited) |
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Yves Chanteau | ... | Matthews (uncredited) |
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Jean Driant | ... | Gratz's Assistant (uncredited) |
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Violet Gould | ... | Barmaid (uncredited) |
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David Lander | ... | Marseilles Detective (uncredited) |
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Dudley Messenger | ... | Ship's Captain (uncredited) |
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Ernie Rice | ... | Barman (uncredited) |
| Yvonne Romain | ... | (uncredited) | |
| John Serret | ... | Commissaire (uncredited) | |
| Patrick Westwood | ... | Dufrene (uncredited) | |
Produced by
| Vivian Cox | ... | producer (as Vivian A. Cox) |
| Earl St. John | ... | executive producer |
| Julian Wintle | ... | A Julian Wintle Production |
Music by
| Hubert Clifford | ||
Cinematography by
| Harry Waxman | ... | director of photography |
Editing by
| Sidney Hayers | ||
Art Direction by
| Alex Vetchinsky | ... | (as Alex. Vetchinsky) |
Costume Design by
| Julie Harris | ||
Makeup Department
| Geoffrey Rodway | ... | makeup artist |
| Waleen Whitworth | ... | hair stylist |
Production Management
| Hugh Attwooll | ... | production manager (as H.R.R. Attwooll) |
Second Unit Director or Assistant Director
| Robert Asher | ... | assistant director |
| Peter Carey | ... | third assistant director (uncredited) |
| John Oldknow | ... | second assistant director (uncredited) |
Art Department
| Arthur Taksen | ... | set dresser |
| Charles Bishop | ... | draughtsman (uncredited) |
| Lionel Couch | ... | chief draughtsman (uncredited) |
| Terence Marsh | ... | draughtsman (uncredited) |
Sound Department
| Archie Ludski | ... | sound editor |
| Gordon K. McCallum | ... | sound recordist |
| Dudley Messenger | ... | sound recordist |
| Charles Arnold | ... | sound camera operator (uncredited) |
| Alex Carver-Hill | ... | assistant boom operator (uncredited) |
| Christopher Lancaster | ... | assistant sound editor (uncredited) |
| John Salter | ... | boom operator (uncredited) |
Visual Effects by
| Frank George | ... | special processes (uncredited) |
| Sydney Pearson | ... | special processes (uncredited) |
| Bill Warrington | ... | special processes (uncredited) |
Camera and Electrical Department
| James Bawden | ... | camera operator |
| Ronald Anscombe | ... | clapper loader (uncredited) |
| Harry Gillard | ... | still photographer (uncredited) |
| Alec Mills | ... | focus puller (uncredited) |
Editorial Department
| Tristam Cones | ... | assistant editor (uncredited) |
| Roy Fry | ... | assembly cutter (uncredited) |
Music Department
| Ted Drake | ... | music recordist (uncredited) |
Script and Continuity Department
| Susan Dyson | ... | continuity |
| Tilly Day | ... | continuity (uncredited) |
Additional Crew
| Arthur Alcott | ... | production controller for Pinewood Studios, London, England. |
| Teresa Bolland | ... | production secretary (uncredited) |
| George Mason | ... | publicist (uncredited) |