| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Giuliano Gemma | Antonio Baresi | Colt Government Model | With fake suppressor attached in some scenes |
| Giuliano Gemma | Antonio Baresi | Smith & Wesson Model 36 | - |
| Giuliano Gemma | Antonio Baresi | Smith & Wesson Model 36 "Chief Special" | - |
| Giuliano Gemma | Antonio Baresi | Colt Government Model M1911A1 | With blued finish, factory wooden geips, and mock-up suppressor attached in some scenes |
| Giuliano Gemma | Antonio Baresi | Riva Esterina Dobermann | With blued finish and wooden grips; standing-in for theSmith & Wesson Model 36 |