10 appearances across 3 titles
| Actor | Firearm | Notes |
|---|---|---|
| Wi Ha-joon | Colt M4A1 | "Humans Are..." (S3E06) |
| Wi Ha-joon | Heckler & Koch MP5A5 | "222" (S3E04) |
| Wi Ha-joon | Spear gun | "222" (S3E04) |
| Actor | Firearm | Notes |
|---|---|---|
| Wi Ha-joon | Beretta 92FS | "Halloween Party" (S2E2) |
| Wi Ha-joon | Colt M4A1 | "OX" (S2E06) |
| Wi Ha-joon | Smith & Wesson Model 10 | "Bread and Lottery" (S2E01), flashback |
| Wi Ha-joon | Smith & Wesson Model 36 | "Halloween Party" (S2E02) |
| Wi Ha-joon | Type 56 assault rifle | "Halloween Party" (S2E02) |
| Actor | Firearm | Notes |
|---|---|---|
| Wi Ha-joon | Smith & Wesson Model 19 | - |
| Wi Ha-joon | Smith & Wesson Model 10 | continuity error |