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

Kim Ha-kyeong

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

Yoo In-soo

as Official