Baek Chan-ki
Sul-Woon

Lee Won
Sun-Dong

Lee Oi-soo
Baek-Poong

Kim Dong-joo
Sang-hwan's Mother

Im Ha-ryong
Police Chief

Bong Tae-gyu
Police Officer Bong
Park Yoon-bae
Police Sgt. Choi

Kim Hyo-seon
TV Hostess (uncredited)

Woo Jung-kook
Drain Pipe Worker 1 (uncredited)

Yang Ik-june
Drain Pipe Worker 2 (uncredited)