 | James Coburn als Duffy |
 | James Mason als Charles Calvert |
 | James Fox als Stefane Calvert |
 | Susannah York als Segolene |
 | John Alderton als Antony Calvert |
 | Guy Deghy als Captain Schallert |
 | Carl Duering als Bonivet |
 | Tutte Lemkow als Spaniard |
 | Marne Maitland als Abdul |
 | André Maranne als Garain |
 | Julie Mendez als Belly Dancer |
| Barry Shawzin als Bakirgian |
| Manuel Hernández Asensio als Waiter |
| Patrick Lichfield als Photographer |
 | Steve Plytas als Moroccan |
| Peter van Dissel als Radio Operator |
| Robert Parrish | Director |
| Pierre de la Salle | Story |
| Donald Cammell | Story |
| Harry Joe Brown Jr. | Story |
| Harry Joe Brown Jr. | Screenplay |
| Ray Thorne | First Assistant Editor |
| David Wynn-Jones | Assistant Camera |
| Patrick McLoughlin | Set Dresser |
| Peter Price | Assistant Director |
| Al Lettieri | Dialogue Coach |
| Godfrey A. Godar | Camera Operator |
| Iain Bruce | Sound Mixer |
| Martin Manulis | Producer |
| Philip Harrison | Art Direction |
| Willy Kemplen | Editor |
| Michael Graham-Smith | Main Title Designer |
| Timothy Gee | Music Editor |
| Egil S. Woxholt | Camera Operator |
| Yvonne Blake | Costume Designer |
| Alan Osbiston | Editor |
| Joan Davis | Continuity |
| Art Freeman | Orchestrator |
| John Richardson | Special Effects |
| Mickey Walters | Grip |
| Ernie Freeman | Original Music Composer |
| Betty Adamson | Wardrobe Master |
| Teddy Mason | Sound Editor |
| William P. Cartlidge | Production Manager |
| Maude Onslow | Hairdresser |
| John Shinerock | Focus Puller |
| Harry Frampton | Makeup Artist |
| Harold Buck | Associate Producer |
| Ray Andrew | Focus Puller |
| Maude Spector | Casting |
| Donald Cammell | Screenplay |
| Bert Cann | Still Photographer |
| Otto Heller | Director of Photography |
| Brian Cole | Clapper Loader |
| Michael Frewin | Second Unit Director |
| Ron Carr | Location Manager |
