 | Gene Hackman als "Popeye" Doyle |
 | Fernando Rey als Alain Charnier |
 | Bernard Fresson als Henri Barthélémy |
 | Philippe Léotard als Jacques |
 | Ed Lauter als General William Brian |
 | Charles Millot als Miletto |
 | Jean-Pierre Castaldi als Raoul |
 | Cathleen Nesbitt als The Old Lady |
 | Samantha Llorens als Denise |
 | André Penvern als Bartender |
 | Reine Prat als Young Girl on the Beach |
 | Raoul Delfosse als Dutch Captain |
 | Ham-Chau Luong als Japanese Captain |
 | Jacques Dynam als Inspector Genevoix |
 | Malek Kateb als Algerian Chief |
 | Pierre Collet als Old Pro |
 | Alexandre Fabre als Young Inspector |
 | Jean-Pierre Zola als Dumpy Policeman |
 | Manu Pluton als Murdered Arab |
 | Daniel Vérité als 1st Guard Hotel Tangers |
 | Hal Needham als Doyle Kidnapper (uncredited) |
| Marie-Christine Descouard als Young Woman in Cafe (uncredited) |
| John Frankenheimer | Director |
| Alexander Jacobs | Screenplay |
| Robert Dillon | Screenplay |
| Laurie Dillon | Screenplay |
| Robert L. Rosen | Producer |
| Don Ellis | Original Music Composer |
| Claude Renoir | Director of Photography |
| Tom Rolf | Editor |
| Lucie Lichtig | Script Supervisor |
| Robert Dillon | Story |
| Laurie Dillon | Story |
| Don Ellis | Conductor |
| Jacques Saulnier | Production Design |
| Pierre Saint-Blancat | Production Manager |
| Bernard Stora | Assistant Director |
| Margot Capelier | Casting |
| Marc Monnet | Second Assistant Director |
| Hal Needham | Stunt Coordinator |
| Monique Archambault | Makeup Artist |
| Alex Archambault | Hairstylist |
| Pierre Nourry | Wardrobe Supervisor |
| René Fargeas | Unit Production Manager |
| Robert Fugier | Unit Production Manager |
| Thierry Chabert | Assistant Director |
| Pierre Tatischeff | Assistant Director |
| Gwen Field | Assistant Director |
| Jacques Touillaud | Electrician |
| Eugene Herrly | Key Grip |
| Logan Frazee | Special Effects |
| Charles Merangel | Set Decoration |
| Bernard Bats | Production Sound Mixer |
| Theodore Soderberg | Sound Re-Recording Mixer |
| Daniel Braunschweig | Property Master |
| Robert Monosmith | Other |
| George Trirogoff | Assistant Editor |
| Catherine Kelber | Assistant Editor |
| Charles-Henri Montel | Camera Operator |
| Philippe Brun | Camera Operator |
| Serge Moritz | Still Photographer |
| Don Hall | Sound Effects Editor |
| William Hartman | Sound Effects Editor |
| Edward Rossi | Sound Effects Editor |
| Kenneth Wannberg | Music Editor |
