| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Adolfo Celi | Don Vito Tressoldi | Beretta Model 70 | Long barreled |
| Enrico Chiappafreddo | Don Vito's henchman | Walther P38 | Suppressed |
| Giulio Baraghini | Don Vito's henchman | Walther P38 | Suppressed |
| Giuseppe Castellano | Don Vito's henchman | Beretta Model 70 | Long barreled |
| Henry Silva | Dave Catania | Luger P08 | With wooden grips |
| Mario Adorf | Luca Canali | Beretta Model 70 | - |
| Mario Adorf | Luca Canali | M1911A1 | - |
| Mario Adorf | Luca Canali | Walther P38 | Dual wielded; suppressed and standard |
| Woody Strode | Frank Webster | Colt New Service | With 5" barrel and hard rubber grips |