동갑내기 과외하기

김하늘

Su-wan

권상우

Ji-hoon

김지우

Ho-kyeong

غونغ يو

Jong-soo

백일섭

Ji-hoon's Father

كيم هاي أوك

Ji-hoon's Mother

김자옥

Su-wan's Mother

Lee Sung-jin

Si-kyung

서동원

Chang-hee

박효준

Hyeok-jae

정인지

Hee-jung

정희태

Outlaw Cop

정우

Thug

Seo Beom-sik

Ugly Face Man

Ji Kil-wong

Priest