Voice

Kim Ok-vin

Young-eon

Seo Ji-hye

Seon-min

Cha Ye-ryun

Cho-ah

Kim Seo-hyung

Hee-yeon

Lim Hyun-kyung

Hyo-jung

Jeon Yeo-jin

Hwa-jung

Lee Eun

Mi-hee

Yoon Young

Hye-sun

Seon Ju-yeon

Jin-young

Won Ae-ri

Myung-sook

Park Yun-gyeong

Eun-ha

Kim Pil

Teacher

Kim Jung-young

Young-eon's mother

Kim Bo-mi

Classmater

Han Jae-u

Gym teacher