니 부모 얼굴이 보고 싶다

설경구

Kang Ho-chang

Chun Woo-hee

Song Jung-wook

문소리

Gun-woo's mother

Oh Dal-su

Do Ji-yeol

Ko Chang-seok

Teacher Jung

Kang Shin-il

Principal

성유빈

Kang Han-gyeol

남기애

Gyu-beom's grandmother