송승헌

Ji Eun-sung

정다빈

Han Ye-won

이기우

Kim Han-sung

Lee Jin-seong

Han Seung-pyo

정준하

Homeroom Teacher (uncredited)

박윤배

Harassing Man (uncredited)

박노식

Rabbit Seller

김보연

Ye-won's Mom (uncredited)

Kim Kap-soo

Ye-won's Dad (uncredited)

이환경