| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Didier Sauvegrain | The blond hitman | Beretta M951 | - |
| Henry Silva | Mecacci | Browning Hi-Power | With spur-style hammer |
| Jean-Roger Milo | A guard | Winchester Model 1200 | Sawn-off |
| Pierre Vernier | Inspector Rojinski | Browning Hi-Power | Seen only in holster |
| Roger Dumas | Inspector Simon | Unidentified revolver | - |
| Tchéky Karyo | Francis Pierron | Lahti L-35 | - |