- Yu Oh-seong
- Gil Seok
- Jang Hyuk
- Min Seok
- Park Sung-Geun
- Jo Bang Hyeon
- Oh Dae-hwan
- Kim Hyeong Geun
- Lee Hyun-kyun
- Lee Cheong Seop
- Shin Seung-hwan
- Kang Jeong Mo
- Lee Chae-yeong
- Nam-Goong Eun-seom
- Han Sun-hwa
- Bo Ram
- Jo Hyun-sik
- Hong Deok-goo
- Jeon Jae-Hong
- Homicide detective Kim Dong-gyoon
- Park Jeong-hak
- Chairman Nam
- Ha Jung-min
- Pyeongchang-dong detective #3
