Brave Citizen

Shin Hye-sun

So Si-min

Lee Jun-young

Han Su-gang

박정우

Ko Jin-hyoung

Park Hyuk-kwon

So Young-taek

Cha Chung-hwa

Lee Jae-gyeong

Son Sook

Jin-hyoung's Grandmother

Lee Joong-ok

Seo Sang-woo

Lee Chan-hyeong

Lee Gwon-joong

Bae Hyeon-jun

Byeong-jin

차우민

Lee Moon-gi

Kim Sang-woo

Park Jung-ho

Lee Tae-hee

Kim Jeong-gyu

Lee Tae-gyun

Byun Jae-hyeok

강안나

Song Eun-gyo

강나루

Min-ji

Lee Gyu-hoe

Head Teacher

동효희

English Teacher

Nam Jeong-woo

Math Teacher

Kim Gyeong-ryong

Principal

이도은

Hye-gyeong