On screen
Cast
13 credited performers
Jang Dong-yoon
Do-won
Seo Byeok-jun
Jin-soo
Kyul Hwi
Han-yong
Kwon So-hyun
Ji-woo
Jang Myoung-un
Sang-il
Kim Young
Choon-ho
Chae Won-bin
Eun-ha
Park Geun-cheol
Character not listed
Han Su-ah
Yeon-ok
An Min-young
Teacher
Oh Chang-kyung
Sang-il's father
Jeong Ji-cheol
Man
Artwork unavailable
Cheon Myeong-jae
Student Affairs Director