| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Jean-Paul Belmondo | Bob Saint-Clair | Unidentified pistol | - |
| Jean-Paul Belmondo | Bob Saint-Clair | M1911 | - |
| Jean-Paul Belmondo | Bob Saint-Clair | Colt New Service | - |
| Jean-Paul Belmondo | Bob Saint-Clair | Mauser C96 | With holster/stock combo and scope |
| Jean-Paul Belmondo | Bob Saint-Clair | Madsen M50 | - |
| Jean-Paul Belmondo | Bob Saint-Clair | Gevarm Type D4 | - |
| Jean-Paul Belmondo | Bob Saint-Clair | F1 hand grenade | - |