安宰弘
Kang Yang-hyun
李信永
Cheon Gi-beom
정진운
Bae Gyu-hyuk
김택
Hong Sun-gyu
정건주
Jung Kang-ho
金民
Heo Jae-yoon
安智浩
Jung Jin-wook
李准赫
Teacher Lee
Kim Hoe-jin
Messy hair
金秀珍
Gyu-hyuk's Mother
姜爱心
Principal's Wife
闵武济
Gi-beom's Father
崔贞允
Gi-beom's Mother
裴成日
Teacher 1
姜信哲
Teacher 2
Yoo In-hye
Teacher 3
Song Chang-gyu
Teacher 4
张铉诚
Yongsan High School Coach
朴相勉
50s Man
Park Jae-min
Sportscaster
李相元
Imho Middle School Coach
Baek Do-kyeom
Referee
Kim Won-shik
Jemulpo High School 7
全英
Doctor
全英
Doctor
