동주

강하늘

Yun Dong-ju

Park Jeongmin

Song Mong-gyu

김인우

Detective

최홍일

Dong-ju's Father

김정팔

Mong-gyu's Father

최희서

Kumi

신윤주

Lee Yeo-jin

김우진

Hyochi

민진웅

Kang Cheo-joong

Park Myung-shin

Mong-gyu's Mother

이선주

Dong-ju's Mother

Seong Hong-il

Myung Hee-jo