| Person | Type | Job | Role(s) |
|---|---|---|---|
 Angela Allen | Crew | Directing | Continuity |
 Bert Bates | Crew | Editing | Editor |
Bob Jones | Crew | Sound | Sound Recordist |
 Carol Reed | Crew | Directing | Director, Producer |
Claude Hitchcock | Crew | Sound | Sound Recordist |
George Frost | Crew | Costume & Make-Up | Makeup Artist |
Herbert Smith | Crew | Art | Assistant Art Director |
John Dark | Crew | Production | Production Supervisor |
John Harris | Crew | Camera | Camera Operator |
 John Mortimer | Crew | Writing | Screenplay |
John R. Sloan | Crew | Production | Associate Producer |
John Stoll | Crew | Art | Art Direction |
 Maurice Binder | Crew | Art | Main Title Designer |
Muir Mathieson | Crew | Sound | Conductor |
 Robert Krasker | Crew | Camera | Director of Photography |
Roberto Roberts | Crew | Production | Production Manager |
 Ron Grainer | Crew | Sound | Main Title Theme Composer |
Shelley Smith | Crew | Writing | Novel |
William Alwyn | Crew | Sound | Original Music Composer |
Peter Thornton | Crew | Sound | Sound Editor |
Harold Haysom | Crew | Directing | Second Unit Director |
Peter Bolton | Crew | Directing | Assistant Director |
John Quested | Crew | Production | Unit Manager |
Pedro Vidal | Crew | Directing | Assistant Director |
George Scott | Crew | Costume & Make-Up | Hairdresser |
 Adriano Domínguez | Cast | Actor | Civil Guard |
 Alan Bates | Cast | Actor | Stephen |
 Allan Cuthbertson | Cast | Actor | Jenkins |
Bob Cunningham | Cast | Thomas Guppy | |
 Colin Gordon | Cast | Actor | Solicitor |
 Eddie Byrne | Cast | Actor | Sam Crewdson |
 Eleanor Summerfield | Cast | Actress | Hilda Tanner |
 Felix Aylmer | Cast | Actor | Parson |
 Fernando Rey | Cast | Actor | Police Official |
 Fortunio Bonanova | Cast | Actor | Spanish Bank Manager |
 Harold Goldblatt | Cast | Actor | Tom Webster |
Herbert Curiel | Cast | 1st Witness | |
 Joe Lynch | Cast | Actor | Roy Tanner |
 John Meillon | Cast | Actor | Jim Jerome |
 José Calvo | Cast | Actor | Porter |
 Juanjo Menéndez | Cast | Actor | Roberto (as Juan Jose Menendez) |
 Laurence Harvey | Cast | Actor | Rex Black |
 Lee Remick | Cast | Actress | Stella Black |
 Lockwood West | Cast | Actor | Bank Manager |
 Noel Purcell | Cast | Actor | Miles Bleeker |
 Rafael Albaicín | Cast | Actor | Waiter |
 Ramsay Ames | Cast | Actress | Madge Penderby |
 Roger Delgado | Cast | Actor | Spanish Doctor |
Shirley Gale | Cast | Florence | |
 Manolita Barroso | Cast | Actress | Dianne |
Pamela Mant | Cast | Actress | Margaret Webster |
Antonio Padilla Ruiz | Cast | 2nd Witness | |
Ildefonso San Félix | Cast | Customs Official | |
Freddy Roberts | Cast | Guide | |
James Neyland | Cast | English Customs Official | |
Ángel Jiménez | Cast | 1st Gipsy Boy | |
Juan Jiménez | Cast | Actor | 2nd Gipsy Boy |
| Person | Type | Job | Role(s) |
