All Cast
Ahn Jae-hong
Kang Yang-hyun
Lee Sin-young
Cheon Gi-beom
Jeong Jin-woon
Bae Gyu-hyuk
Kim Taek
Hong Sun-gyu
Jung Gun-joo
Jung Kang-ho
Kim Min
Heo Jae-yoon
Ahn Ji-ho
Jung Jin-wook
Lee Jun-hyeok
Teacher Lee
Kim Hoe-jin
Messy hair
Kim Soo-jin
Gyu-hyuk's Mother
Kang Ae-sim
Principal's Wife
Min Moo-je
Gi-beom's Father
Choi Jung-yoon
Gi-beom's Mother
Bae Seong-il
Teacher 1
Kang Shin-chul
Teacher 2
Yoo In-hye
Teacher 3
Song Chang-gyu
Teacher 4
Jang Hyun-sung
Yongsan High School Coach
Park Sang-myeon
50s Man
Park Jae-min
Sportscaster
Lee Sang-won
Imho Middle School Coach
Baek Do-kyeom
Referee
Kim Won-shik
Jemulpo High School 7
Jeon Yeong
Doctor
