| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Bud Spencer | Wilbur Walsh | Smith & Wesson Model 67 | With wooden grips |
| Bud Spencer | Wilbur Walsh | Colt Detective Special | 1st Gen model with Round Butt grips |
| Bud Spencer | Wilbur Walsh | Smith & Wesson Model 36 | With blued finish |
| David Huddleston | Capt. McBride | Smith & Wesson Model 67 | - |
| David Huddleston | Capt. McBride | Ruger Security Six | - |
| Ezio Marano | A street gang leader | Smith & Wesson Model 36 | - |
| Riccardo Pizzuti | "Scarface" | Röhm RG-31 | - |
| Terence Hill | Matt Kirby | Röhm RG-31 | - |
| Terence Hill | Matt Kirby | Smith & Wesson Model 66 | - |
| Terence Hill | Matt Kirby | Colt Detective Special | - |
| Terence Hill | Matt Kirby | Smith & Wesson Model 36 | - |
| Terence Hill | Matt Kirby | Smith & Wesson 916 | - |