| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Alain Delon | Choucas | Smith & Wesson Model 36 | Standard and nickel plated Model 36-10 |
| Alain Delon | Choucas | Colt MK IV Series 70 | - |
| Alain Delon | Choucas | Colt Combat Commander | - |
| Alain Delon | Choucas | Browning Hi-Power | - |
| Alain Delon | Choucas | Unique Rr 51 | - |
| Daniel Ceccaldi | Inspector Coccioli | Smith & Wesson Model 36 | - |
| Jacques Rispal | Prof. Bachhoffer | Smith & Wesson Model 36 | Nickel plated Model 36-10 |
| Jean-Pierre Darras | Commissaire Chauffard | Unique Rr 51 | - |
| Michel Auclair | Haymann | Smith & Wesson Model 36 | - |
| Michel Auclair | Haymann | Double Barreled Shotgun | - |
| Xavier Depraz | Kasper | Colt Python | With 4-inch barrel |
| Xavier Depraz | Kasper | Colt Combat Commander | .45 |
| Xavier Depraz | Kasper | Browning Hi-Power | - |