최민식

Gang Tae-shik

류승범

Yoo Sang-hwan

임원희

Won-tae

천호진

Sang-chul

김수현

Kwon Rok

나문희

Sang-hwan's Grandmother

기주봉

Yu Sang-hwan's Father

변희봉

Coach Park

안길강

Correctional Supervisor

Kim Yeong-in

Old Man Kim (uncredited)

홍지민

Caretaker (uncredited)

오달수

Yong-dae

정인기

Doctor (uncredited)

Hwang Choon-ha

Yong-jin

정정훈

Gwang-ho

류승완