Son Kang-gook

as Hyeong-gu

as Jung-ho

as Young-hee's Father

as Choi Kyu-dong

as Oh Sung-bok

as Young Ho

as Police Officer

as Teacher

as Boeun Cop 1

as Shim-bok

as Fellow Detective

as An Do-gang

as Kim Yong-gyun

as Choi Dong-gyu

as Song Gi-ho

as Choi Su-ryong

as Kim Seung Cheol [Patient]