교과서엔 없습니다

Seo Ye-ri

as Jung Seul Ah

Lee Jong-hyuk

as Han Joo Won

장도명

as Do Min-gyoo

Jang Moon-jung

as Woo Seo Yeong

Oh Jung-woo

as Kim Joon-ki

Moon Seo-yul

as Kim Yeon-joo

Jeong Yeong-won

as Yoo Min-ha

민도경

as Jjeong

Kim Young-shik

as Ddong