- Ji Jin-hee
- Tae-soo / Soo
- Kang Seong-yeon
- Kang Mi-na
- Oh Man-seok
- Spotted Killer
- Lee Ki-young
- Nam Dal-goo
- Jo Kyeong-hwan
- Song-in Boss
- Moon Sung-keun
- Goo Yang-won
- Ko Hyun-woong
- Kim Jin-man's subordinate
- Jeong Man-sik
- Senior Executive B
- Kim Seung-hun
- Detective Gam Shik-ban
- Kim Won-jin
- Mi-na's house attacker
- Won Woong-jae
- Senior Executive A
