| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Kim Hee-won | Lee Cheon-seok | Glock 17 | Episode 1 |
| Kim Hee-won | Lee Cheon-seok | AK-74 | Episode 1 |
| Kim Hee-won | Lee Cheon-seok | Taser | Episode 6 |
| Kwon Sang-woo | Han Du-jin | Glock 17 | Episode 1 |
| Kwon Sang-woo | Han Du-jin | AK-74 | - |
| Lee Sang-yi | Go Gi-seok | Colt Python | - |