Kim Yun-seok
Choi Hae-gap
Acting
Oh Yeon-soo
Ahn Bong-hee
Acting
Han Yeri
Choi Min-ju
Acting
Baek Seung-hwan
Choi Na-ra
Acting
Park Sa-rang
Choi Na-rae
Acting
Kim Sung-kyun
Hong Man-deok
Acting
Sin Sin-beom
School guard
Acting
Lee Jun-hyeok
Fight Teacher
Acting