Detective Kang
Park Yong-woo
Min-woo
Namkoong Min
Det. Kam Chal-ban
Jeong Gi-seop
Exam Studying Area Woman
Jo Kyung-sook
Detective
Yoo Ha-bok
Police Officer
Lee Seung-won
Lim Jeong-woon
Detective Lee
Jeon Jin-gi
Yogurt Drink Saleswoman
Jeong Ae-hwa
Detective Kang's Father
Jung Mi-nam
Soo-yeon
Wang Ji-hye
Lee Ki-chul
Lee Ki-young
Jo Sang-tae
Kim Dong-ha
Chief Detective
Kim Eung-soo
Yoo Chang-won
Oh Jung-se
Suk-jae
Kim Byeong-ok
Doctor
Lee Jae-gu
Detective Min
Park Byung-eun
Stunt Coordinator
Won Jin
Martial Arts Choreographer
Action Director
Stunts
Jung Youn-hyeon
Writer
Jin Kwang-kyo
Director