| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Park Hae-joon | Hwang Chi-sung | AK-47 | customized |
| Park Hae-joon | Hwang Chi-sung | CZ 75 "Pre-B" | - |
| Park Jeong-min | Park Geon | Beretta 92FS | - |
| Park Jeong-min | Park Geon | CZ 75 "Pre-B" | - |
| Park Jeong-min | Park Geon | Glock 17 | - |
| Park Jeong-min | Park Geon | Smith & Wesson Model 686 | - |
| Robert Maaser | Alexei Sokolov | Unknown shotgun | - |
| Zo In-sung | Manager Zo | AK-47 | customized |
| Zo In-sung | Manager Zo | AKMS | - |
| Zo In-sung | Manager Zo | Beretta 92FS | - |
| Zo In-sung | Manager Zo | Glock 17 | - |
| Zo In-sung | Manager Zo | Grenade | flashbang and smoke hybrid |