Jinyoung

Lee Dong-jin

Roh Jeong-eui

Park Mi-jeong

Lee Hyun So

Kim Sung-Min

Park Soo-oh

Park Sang-Ho

Lim Jae-hyeok

Kim Joong-hyeok

Joo Jong-hyuk

Jang He-ryung

Heo Eun-sil

Jang Hye-jin

Oh Mi-sook

Ahn Nae-sang

Park Byeong-se

Kwon Han-sol

Seo Da-eun

Nam Joong-gyu

Han Ji-an

Su-hyeon

Bae Yoon-gyu

Kim Jeong-hwan

Kim Seung-beom

Midong High alumni

Han Sa-myeong

[Police officer]

Ju Ji-hoon

Baek Su

Shin Jeong-won

Customer

Kim Tae-gyoon

Director

Kang Full

Comic Book