사랑니

김정은

In-young

이태성

Lee Suk / Lee Soo

김영재

Jung-woo

Чон Ю Ми

Young In-young

Ли Джу-щиль

In-young's Mother

김꽃비

Cram School Student

Чан Со Ён

ER Nurse

Чхве Бан-я

English Teacher

Jun Kim

Adult Lee Suk

Kwak Min-seok

Driver

Lee Seok

Young Jung-woo