| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Bo Dietl | Arresting Narc | Browning Hi-Power | - |
| Joe Pesci | Tommy DeVito | Smith & Wesson Model 36 | - |
| Joe Pesci | Tommy DeVito | Smith & Wesson Model 66 | snub |
| Joe Pesci | Tommy DeVito | M1911A1 | - |
| Lorraine Bracco | Karen Hill | Smith & Wesson Model 36 | - |
| Lorraine Bracco | Karen Hill | Smith & Wesson Model 64 | snub |
| Lorraine Bracco | Karen Hill | Smith & Wesson Model 60 | continuity error |
| Lorraine Bracco | Karen Hill | Iver Johnson .380 | - |
| Paul Herman | Jimmy | Beretta Cheetah | - |
| Ray Liotta | Henry Hill | Smith & Wesson Model 36 | blued and nickel plated |
| Ray Liotta | Henry Hill | Lupara | sawed-off |
| Ray Liotta | Henry Hill | Browning Hi-Power | - |
| Ray Liotta | Henry Hill | Heckler & Koch P9S | - |
| Ray Liotta | Henry Hill | Astra Constable | - |
| Robert De Niro | Jimmy Conway | Smith & Wesson Model 36 | - |
| Robert De Niro | Jimmy Conway | Browning Hi-Power | - |