Casts
Choi Moo-seong
as Seong-cheol
Kim Yeo-jin
as Mi-sook
Sung Yu-been
as Ki-hyeon
Kim Kyung-ik
as Hyeon-kyu
Moon Young-dong
as Chief Paperhanger
Lee Hwa-ryong
as Homeroom Teacher
Kim Do-young
as Jun-young's Mother
David Lee
as Eun-chan
Ryu Ui-hyun
as Jeong-seok
Kim Sang-woo
as Ji-hong
