김충길

Chung-gil

백승환

Jin-kwon

신민재

Hyeok-jun

고성완

Sang-kyu

Cha Yoo-mi

Ji-hye

Park Won-jin

Chung-gil's father

Cho Joon-hee

Seok-tae

Kim Cha-yi

Shin-a

Kim Chang-eun

Hyeok-jae

윤지혜

표성균

Principal

고봉수