| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Lee Byung-hun | The Front Man / Hwang In-ho | Colt MK IV Series 70 | nickel-plated |
| Lee Byung-hun | The Front Man / Hwang In-ho | Springfield Armory Mil-Spec M1911A1 | nickel-plated |
| Wi Ha-joon | Hwang Jun-ho | Smith & Wesson Model 19 | - |
| Wi Ha-joon | Hwang Jun-ho | Smith & Wesson Model 10 | continuity error |