Directed by
| Cy Endfield | ||
Writing Credits
| Cy Endfield | ... | (screenplay) |
| William Mulvihill | ... | (novel) |
Cast (in credits order) complete, awaiting verification
| Stanley Baker | ... | Mike Bain | |
| Stuart Whitman | ... | O'Brien | |
| Susannah York | ... | Grace Munkton | |
| Harry Andrews | ... | Grimmelman | |
| Theodore Bikel | ... | Dr. Bondrachai | |
| Nigel Davenport | ... | Sturdevan | |
| Rest of cast listed alphabetically: | |||
 |
Nigel Kingsley | ... | Baboon (uncredited) |
| Barry Lowe | ... | Detjens - Copilot (uncredited) | |
Produced by
| Stanley Baker | ... | producer |
| Cy Endfield | ... | producer |
| Joseph E. Levine | ... | executive producer |
| Robert Porter | ... | associate producer |
Music by
| John Dankworth | ||
Cinematography by
| Erwin Hillier | ... | director of photography |
Editing by
| John Jympson | ||
Art Direction by
| Seamus Flannery | ||
| George Provis | ||
Makeup Department
| Gordon Bond | ... | hairdresser |
| Michael Morris | ... | makeup artist |
| Wally Schneiderman | ... | makeup artist |
Production Management
| Geoffrey Helman | ... | production manager |
Second Unit Director or Assistant Director
| Jack Causey | ... | assistant director |
| Jim Brennan | ... | second assistant director (uncredited) |
| Ariel Levy | ... | third assistant director (uncredited) |
Art Department
| John Paterson | ... | construction manager |
| Ben Healey | ... | scenic artist (uncredited) |
| Brian Herbert | ... | draughtsman (uncredited) |
| Arthur Wicks | ... | standby props (uncredited) |
Sound Department
| John Aldred | ... | sound recordist |
| Rusty Coppleman | ... | sound editor |
| Les Hammond | ... | sound recordist (as Leslie Hammond) |
| Richard Bird | ... | sound mixer (uncredited) |
| Alan Blay | ... | sound assistant (uncredited) |
| Malcolm Cooke | ... | dubbing editor (uncredited) |
| Arkadi De Rakoff | ... | sound camera operator (uncredited) |
| David de Wilde | ... | assistant sound editor (uncredited) |
| Jimmy Dooley | ... | sound assistant (uncredited) |
| Stan Fiferman | ... | dubbing editor (uncredited) |
| Taffy Haines | ... | sound maintenance (uncredited) |
| Mike Hopkins | ... | dialogue editor (uncredited) |
| Nolan Roberts | ... | sound assistant (uncredited) |
| Fred Stoneham | ... | sound assistant (uncredited) |
| Peter Weatherley | ... | music editor (uncredited) |
| Don Wortham | ... | boom operator (uncredited) |
Special Effects by
| Cliff Richardson | ... | special effects |
| Wally Veevers | ... | special effects |
Visual Effects by
| Roy Field | ... | travelling matte effects (uncredited) |
| Vic Margutti | ... | travelling matte effects (uncredited) |
Camera and Electrical Department
| Sergio Strizzi | ... | still photographer |
| Tony White | ... | camera operator |
| Denis Bremner | ... | electrician (uncredited) |
| Bert Cann | ... | still photographer (uncredited) |
| Wally Fairweather | ... | focus puller (uncredited) |
| Billy Hughes | ... | electrician (uncredited) |
| John Jay | ... | still photographer (uncredited) |
| Roy Larner | ... | chief electrician (uncredited) |
| Douglas Milsome | ... | clapper loader (uncredited) |
| Bernie Prentice | ... | gaffer (uncredited) |
Costume and Wardrobe Department
| James Smith | ... | wardrobe master (uncredited) |
Editorial Department
| Pamela Tomling | ... | assistant editor |
| Jim Atkinson | ... | second assistant editor (uncredited) |
| Peter Best | ... | second assistant editor (uncredited) |
| Pat Foster | ... | second assistant editor (uncredited) |
| Brian Mann | ... | second assistant editor (uncredited) |
| John S. Smith | ... | assembly editor (uncredited) |
| Ray Thorne | ... | second assistant editor (uncredited) |
Music Department
| John Dankworth | ... | conductor |
| David Lindup | ... | orchestrator (uncredited) |
Script and Continuity Department
| Muirne van Wyk | ... | continuity (as Muirne Mathieson) |
Additional Crew
| Joseph E. Levine | ... | presenter |
| Ralph Cooper | ... | publicity director (uncredited) |
| Theo Cowan | ... | publicist (uncredited) |
| Marguerite Green | ... | production secretary (uncredited) |
