Moon Woo-jin
Kim Yi-Joon
Park Seo-Kyung
Han Yeo-Reum
Choi Hyeon-jin
Jung Ji-Wook
Kim Ji-seong
Kim Yi-Joon's aunt
Jung Hee-tae
Kim Yi-Joon's uncle
Heo Dong-won
Kim Yi-Joon's father
Kim Kwang-kyu
principal
Kim Ji-won
Min-Ji
