Kim Seong-hun Director, Screenwriter Lee Sun-kyun Koh Gun-su Actor Cho Jin-woong Park Chang-min Actor Shin Jung-geun Detective chief Actor Jung Man-sik Detective Choi Actor Shin Dong-mi Younger sister Actor Kim Dong-young Detective Do Actor Joo Seok-tae Detective Nam Actor Kim Jae-cheol Funeral company worker Actor Park Bo-gum Cop Lee Actor Lee Jae-won Jo Neung-hyeon Actor Kim Tae-seong Cinematographer Kim Gyeong-seok Lighting Lee Mi-gyeong Art Director