| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Adolfo Celi | Ralph Valmont | Colt Detective Special | Nickel |
| Adolfo Celi | Ralph Valmont | Beretta M12 | - |
| Federico Boido | Joe | Beretta M12 | With 32-round magazine and stock collapsed |
| Federico Boido | Joe | Beretta M1951 | Seen only in holster; with black grips |
| John Phillip Law | Diabolik | Beretta M12 | - |
| Mario Donen | Sergeant Danek | Colt Detective Special | - |
| Michel Piccoli | Inspector Ginko | Beretta M951 | - |