Character Name : Jang Do-young

Original Name : 권상우

Gender : Male

Character Name : Oh Jin-woo

Original Name : 유지태

Gender : Male

Character Name : Yoo Kang-jin

Original Name : 손병호

Gender : Male

Character Name : Kang Joo-hee

Original Name : 엄지원

Gender : Female

Character Name : Section Chief Bang

Original Name : 이한위

Gender : Male

Character Name : Lee Dong-jik

Original Name : Lee Joong-moon

Gender : Male

Character Name : Yang Ki-taek

Original Name : 안길강

Gender : Male

Character Name : Instructor

Original Name : Jo Hyun-wu

Gender : Male

Character Name : Yoon Jung-min

Original Name : 문정희

Gender : Female

Character Name : Jo Young-chul

Original Name : 강성진

Gender : Male

Character Name : Do-young's Mother

Original Name : 이주실

Gender : Female

Character Name : Chief Prosecutor

Original Name : 정원중

Gender : Male

Character Name : Ju Hyun-tae

Original Name : 김윤석

Gender : Male

Character Name : Gang Member

Original Name : 고창석

Gender : Male

Character Name : Guryongpa Gang Member

Original Name : 조진웅

Gender : Male

Character Name : Yoo Kang-jin

Original Name : Kim Yong-tae

Gender : Male

Character Name : Fellow Detective

Original Name : 박혁권

Gender : Male

Character Name : Trial Prosecutor

Original Name : 조성하

Gender : Male

Character Name : Yellow Hair

Original Name : 손병욱

Gender : Male

Character Name : Captain Choi

Original Name : 김세동

Gender : Male

Character Name : Dogang-pa Organization Member (uncredited)

Original Name : Kim Won-jin

Gender : Male

Character Name : Steel Gang Member

Original Name : 이건문

Gender : Male

Character Name : Guryongpa Gang

Original Name : Choe Min

Gender : Male

Character Name : Chief Prosecutor

Original Name : Jung Sang-cheol

Gender : Male

Character Name : Prosecutor

Original Name : 서정규

Gender : Male