Song Kang-ho as Detective Park Doo-man

Kim Sang-kyung as Detective Seo Tae-yoon

Kim Roi-ha as Detective Cho Yong-koo

Song Jae-ho as Sergeant Shin Dong-chul

Byun Hee-bong as Sergeant Koo Hee-bong

Go Seo-hee as Officer Kwon Kwi-ok

Ryu Tae-ho as Jo Byung-soon

Park No-shik as Baek Kwang-ho

Park Hae-il as Park Hyeon-gyu

Jeon Mi-seon as Kwok Seol-yung

Seo Young-hwa as Woman from Hill

Woo Go-na as Kim So-hyun

Choi Jong-ryul as Kwang-ho's Father

Yoo Seung-mok as Journalist

Shin Hyeon-jong as Autopsy

Jung In-sun as Little Girl

Lee Jae-eung as Little Boy

Kwon Byung-gil as Doctor Noh

Park Hyun-young as School Nurse

Yoon Ga-hyun as Shaman

Kwon Hyeok-pung as Investigator at So-hyun's Crime Scene

Jo Deok-jae as Investigator at So-hyun's Crime Scene

Jo Moon-ee as Pharmacist

Baek Bong-ki as Cop Dressed as Woman

Kim Joo-ryoung as Nurse

Yeom Hye-ran as So-hyun's Mother

Park Jin-woo as Broadcast Station AD

Lee Dong-yong as Suspect

Oh Yong as Cop (uncredited)

Son Jin-hwan as Fellow Detective

Park Tae-kyeong as Fellow Detective

Son Kang-gook as Fellow Detective

Son Jin-ho as Fellow Detective

Shin Un-seop as Rapist

Ha-kyeong Kim as Lee Hyang-suk

Lee Da-il as Student

Shim Sung-bo as Photojournalist

Lee Kang-san as Boiler Kim

Lee In-hui as Cement factory worker

Seong Jeong-seon as Park Hyeon-gyu's Landlord