A Hard Day

이선균

Go Gun-su

Cho Jin-woong

Park Chang-min

정만식

Detective Choi

신정근

Chief of Homicide

신동미

Younger Sister

허정은

Min-a

Kim Dong-young

Detective Doh

주석태

Detective

박보검

Officer Lee Jin-ho

이지훈

Police Officer of Chemistry Storage

김보경

Ex-wife

김강현

Young-cheol

김해곤

Vault Owner

기주봉

Mr. Kim

배유람

Police Officer

Jang In-sub

Police Officer

Seo Hyun-woo

Police Officer

장준녕

Mr. Choi