Kim Yoon-seok
Choi Hae-gap
오연수
Ahn Bong-hee
한예리
Choi Min-ju
백승환
Choi Na-ra
Park Sa-rang
Choi Na-rae
김성균
Hong Man-deok
Kim Tae-hoon
Lee Jun-hyeok
Yoo Jae-myung
이도경
신신범
School guard
Fight Teacher
김자영
Headmaster
김종태
Young Detective
