류덕환

Oh Dong-ku

백윤식

Coach

박영서

Jong-man

Lee Eon

Park Joon-woo

김윤석

Dong-ku's Father

Tsuyoshi Kusanagi

Japanese Teacher

문세윤

Big Guy

Yoon Won-seok

Big Guy

Kim Won-sik

Dong-cheol

최정우

President

장남열

Homeroom Teacher

민경진

Manager

이해준

이해영