우리들

최수인

Seon

Seol Hye-in

Ji-ah

이서연

Bora

Kang Min-joon

Yoon

Kim Hee-joon

Eun-joo

Kim Chae-yeon

Tae-yeon

Чан Хе Джин

Seon's Mother

Son Seok-bae

Seon's Father

Ли У Чжин

Stationary Store Man

김영미

School Teacher

최준우

Min-cheol

Choi Chan-sook

Ji-ah's Grandmother