| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Jang Dong-yoon | Yong Dong-jin | Daewoo K1A | - |
| Jang Dong-yoon | Yong Dong-jin | Mk 18 Mod 1 | - |
| Lee Hyun-wook | Lee Joon-sung | Colt M4A1 | suppressed, with ACOG sight and flashlight, Episode 10 |
| Lee Hyun-wook | Lee Joon-sung | Daewoo K1A | suppressed, with rails and sight, Episode 3 |