우리들

최수인

Seon

Seol Hye-in

Ji-ah

이서연

Bora

Kang Min-joon

Yoon

Kim Chae-yeon

Tae-yeon

Чан Хе Джин

Seon's Mother

Ли У Чжин

Stationary Store Man

최준우

Min-cheol

Choi Chan-sook

Ji-ah's Grandmother

Kim Hee-joon

Eun-joo

Son Seok-bae

Seon's Father

김영미

School Teacher