Actors

Actor

So Si-min

Actor

Han Su-gang

Actor

Ko Jin-hyoung

Actor

So Young-taek

Actor

Lee Jae-gyeong

Actor

Lee Gwon-joong

Actor

Byeong-jin

Actor

Lee Moon-gi

Actor

Park Jung-ho

Actor

Kim Jeong-gyu

Actor

Byun Jae-hyeok

Actor

Song Eun-gyo

Actor

Min-ji

Actor

Jin-hyoung's Grandmother

Actor

Head Teacher

Actor

Seo Sang-woo

Actor

English Teacher

Actor

Math Teacher

Actor

Principal

Actor

Hye-gyeong