옥자연

Young-sil

기윤

Inseek

Lee Hye-jeong

Su-yeon

김중기

Professor

Kang Tae-young

Udo

최희진

Hee-won

최정인

Hyoun

Kim Yong-sam

Hwan-min

Han Mi-ja

Young-sil's Mother

이동찬

Young-sil's Father

이현서

Ah-young

원향라

Singer