Kang Yang-hyun
Cheon Gi-beom
Bae Gyu-hyuk
Hong Sun-gyu
Jung Kang-ho
Heo Jae-yoon
Jung Jin-wook
Teacher Lee
Messy hair
Gyu-hyuk's Mother
Principal's Wife
Gi-beom's Father
Gi-beom's Mother
Teacher 1
Teacher 2
Teacher 3
Teacher 4
Yongsan High School Coach
50s Man
Sportscaster
Imho Middle School Coach
Referee
Jemulpo High School 7
Doctor
Police
Parent 1
