character - Hyeong-gu

character - Choi Dong-gyu

character - Song Gi-ho

character - Jung-ho

character - Choi Su-ryong

character - Kim Seung Cheol [Patient]

character - Young-hee's Father

character - Choi Kyu-dong

character - Oh Sung-bok

character - Teacher

character - Police Officer

character - Young Ho

character - Boeun Cop 1

character - Shim-bok

character - Fellow Detective