Ryoo Seung-bum
Sang-hwan

Yoon Soy
Wi-jin

Ahn Sung-ki
Ja-woon

Jung Doo-hong
Heuk-woon

Yun Ju-sang
Mu-woon

An Kil-kang
Kkang Tong

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

Kim Hyo-Seon
TV Hostess (uncredited)

Woo Jung-kook
Drain Pipe Worker 1 (uncredited)

Yang Ik-june
Drain Pipe Worker 2 (uncredited)

Kim Yeong-in
Monk Bong Su-nim

Lee Dae-yeon
Yoon Jeon-soo (uncredited)

Kwon Beom-taek
Family Doctor (uncredited)

Kim Jae-man
Gang Member (uncredited)

Yoo Soon-chul
Old Heuk-woon (uncredited)

Oh Soon-tae
Cellphone Man (uncredited)

Lee Jae-gu
Staff Executive (uncredited)

Geum Dong-hyeon
Survey Manager (uncredited)

Kim Ji-young
Banyagain (uncredited)

Kim Su-hyun
TV Host (uncredited)

Hwang Hyo-eun
Choon-ha (uncredited)