同い年の家庭教師

김하늘

Su-wan

クォン・サンウ

Ji-hoon

김지우

Ho-kyeong

コン・ユ

Jong-soo

백일섭

Ji-hoon's Father

キム・ヘオク

Ji-hoon's Mother

김자옥

Su-wan's Mother

Lee Sung-jin

Si-kyung

서동원

Chang-hee

박효준

Hyeok-jae