신하균

Lee Byeong-gu

백윤식

Kang Man-shik

황정민

Su-ni

이재용

Inspector Choo

이주현

Detective Kim

기주봉

Squad Leader Lee

김동현

Tae-sik

김광식

Detective Seo

Won Woong-jae

Detective Jang

예수정

Mother

정보훈

Ji-won

김뢰하

Jailer

손진환

Factory Manager

Park Sung-min

Adam

Son Jong-hwan

Su-ni's Father

김기천

Hospital Staff

이무현

King

정재진

Noah

Kim Young-chan

Young Byeong-gu

Min Yun-jae

Woman Detective