- Sul Kyung-gu
- Kang Tae-sik
- Lee Jung-Jin
- Jang Pil-ho
- Oh Dal-su
- Choi Sang-cheol
- Lee Sung-min
- Yoon Dae-hee
- Moon Jeong-Hee
- Oh Kyeong-sin
- Song Sae-byeok
- Oh Jong-gyoo
- Lee Young-hoon
- Psycho
- Young-Seo Park
- Goo Bon-chi
- Jo Yeong-jin
- Jo Hyeon-cheol
- Hwang Byeong-guk
- Colleague detective
- Song Jae-ho
- Oh Joong-ho
- Kim Jeong-pal
- Chief Prosecutor
- Joo Jin-mo
- (as Jin-mo Joo)
- Min-Young
- Communications Agent
- Kim Hyang-gi
- Tae-sik's daughter
