Park Joong-hoon

as Detective Woo

Ahn Sung-ki

as Chang Sung-min

Jang Dong-gun

as Detective Kim

Choi Ji-woo

as Kim Ju-yeon

Ahn Jae-mo

as Young-bae

Sim Cheol-jong

as Detective Joo

Lee Won-jong

as Detective Park

Do Yong-gu

as Detective Jang

Park Seung-ho

as Detective Lee

Ki Joo-bong

as Chief of Criminal Unit

Song Young-chang

as Drug Dealer

Lee Ho-seong

as Hyeon-su

Lee Hae-eun

as Detective Woo's Sister

Park Sang-myeon

as Jang-gu

Park Gil-su

Kwon Byung-gil

as Laundry

Kim Jong-goo

as Restaurant