Kim Ah-song

Bo-ri

Lee Rin-ha

Jung-woo

곽진석

Hae-jin

허지나

Mother

Hwang Yoo-rim

Eun-jeong

김종구

Grandfather

김자영

Auntie

최대성

Eun-jeong's Father

Kim Jong-Moon

Young Teacher

Kim Tae-hyun

Homeroom Teacher