Directed by
| Sidney Hayers | ||
| Orson Welles | ... | (opening scenes) (uncredited) |
Writing Credits
| David Pursall | ... | (screenplay) and |
| Jack Seddon | ... | (screenplay) |
| Jules Verne | ... | (novel) (uncredited) |
Cast (in credits order) complete, awaiting verification
| George Segal | ... | Dan | |
| Ursula Andress | ... | Erica Kramer | |
| Orson Welles | ... | Plankett | |
| Ian Hendry | ... | Karl | |
| Johnny Sekka | ... | Matakit | |
| Michel Constantin | ... | José | |
| Georges Géret | ... | André (as George Geret) | |
 |
Sylvain Levignac | ... | Louis (as Sylvain) |
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Charles Lamb | ... | Todd |
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Guy Delorme | ... | Michael |
| Harry Andrews | ... | Kramer | |
| Rest of cast listed alphabetically: | |||
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|
Jacques Van Dooren | ... | Man in Bar (uncredited) |
Produced by
| Roger Duchet | ... | producer |
| Nat Wachsberger | ... | producer (uncredited) |
Music by
| Georges Garvarentz | ... | (as George Garvarentz) |
Cinematography by
| Raoul Coutard | ... | director of photography |
Editing by
| Tristam Cones | ||
Makeup Department
| Jimmy Garfath | ... | makeup artist |
| John O'Gorman | ... | special make up for Miss Ursula Andress |
| Maude Onslow | ... | hairdresser (as Maud Onslow) |
| Hugh Richards | ... | makeup artist |
Production Management
| Andrée Debar | ... | production supervisor (as Andree Debar) |
Second Unit Director or Assistant Director
| Jacques Bourdon | ... | assistant director (as Jack Bourdon) |
| Drummond Riddell | ... | second assistant director (uncredited) |
Art Department
| Pierre-Louis Thévenet | ... | set designer (as P. Thevenet) |
Sound Department
| Kenneth Heeley-Ray | ... | sound editor (as Ken Heeley-Ray) |
Special Effects by
| François Suné | ... | special effects (as F. Sune) |
| André Trielli | ... | special effects (as A. Trielli) |
Stunts
| Odile Astié | ... | stunts (uncredited) |
| Michel Berreur | ... | stunt double: Ursula Andress, diving scene (uncredited) / stunts (uncredited) |
Camera and Electrical Department
| Jean Garcenot | ... | assistant cameraman (as J. Garcenot) |
| Georges Liron | ... | assistant cameraman (as G. Liron) |
Costume and Wardrobe Department
| Yvonne Caffin | ... | dress designs |
| Marie Feldwick | ... | wardrobe |
Editorial Department
| Glenn Hyde | ... | assistant editor |
| Paul Trevor Bale | ... | second assistant editor (uncredited) |
| Dilip Roy | ... | second assistant editor (uncredited) |
Music Department
| George Martin | ... | orchestration |
| Mario Bua | ... | orchestrator (uncredited) |
| Maurice Coignard | ... | orchestrator (uncredited) |
| Georges Garvarentz | ... | conductor (uncredited) |
| Keith Grant | ... | music engineer (uncredited) / music mixer (uncredited) |
