용감한 시민

신혜선

So Si-min

이준영

Han Su-gang

박정우

Ko Jin-hyoung

이찬형

Lee Gwon-joong

박혁권

So Young-taek

차청화

Lee Jae-gyeong

손숙

Jin-hyoung's Grandmother

Bae Hyeon-jun

Byeong-jin

Cha Woo-min

Lee Moon-gi

Kim Sang-woo

Park Jung-ho

Lee Tae-hee

Kim Jeong-gyu

Lee Tae-gyun

Byun Jae-hyeok

Kang Anna

Song Eun-gyo

Kang Minji

Min-ji

이규회

Head Teacher

이중옥

Seo Sang-woo

동효희

English Teacher

Nam Jeong-woo

Math Teacher

김경룡

Principal

이도은

Hye-gyeong