살인자

마동석

Joo-hyeop

안도규

Yong-ho

김현수

Ji-soo

김민서

Mi-hee

김혜나

Ji-soo's mother

Hwang Eun-soo

Yong-ho's Mother

Kim Young-min

Ji-soo's father

노진영

Yong-ho's Mother's Lover

이채윤

Ji-soo (child)