| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Bryan Larkin | DEA Chief | Glock 17 | - |
| Chidi Ajufo | Gallas | Colt M16A1 | w/M203 grenade launcher |
| Ha Jung-woo | Kang In-gu | Colt M16A1 | Episode 6 |
| Ha Jung-woo | Kang In-gu | Walther PPK/S | Episode 6 |
| Ha Jung-woo | Kang In-gu | Glock 17 | Episode 3 |
| Hwang Jung-min | Pastor Jeon Yo-hwan | Beretta 92FS | - |
| Hwang Jung-min | Pastor Jeon Yo-hwan | Desert Eagle Mark VII | - |
| Jo Woo-jin | Byun Ki-tae | Beretta 92FS | - |
| Park Hae-soo | Choi Chang-ho | Glock 17 | Episode 6 |
| Park Hae-soo | Choi Chang-ho | Bruni GAP | Episode 3 |
| Yoo Yeon-seok | David Park | Glock 17 | - |