| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Michael Shannon | Richard Kuklinski | M1911A1 | - |
| Michael Shannon | Richard Kuklinski | Cobra Big Bore Derringer | - |
| Michael Shannon | Richard Kuklinski | Colt Detective Special | nickel |
| Ray Liotta | Roy DeMeo | Colt Detective Special | 1st generation |
| Ray Liotta | Roy DeMeo | Browning Hi-Power | - |