문근영

Seo Bo-eun

김래원

Park Sang-min

김보경

Ji-su

안선영

Teacher Kim

김인문

Bo-eun's Grandfather

송기윤

Bo-eun's Father

한진희

Sang-min's Father

선우은숙

Bo-eun's Mother

김혜옥

Sang-min's Mother

박진우

Jeong-woo

신세경

Hye-won

류덕환

Dong-goo