Song Kang-ho

Detective Park Doo-man

Kim Sang-kyung

Detective Seo Tae-yoon

Kim Roi-ha

Detective Cho Yong-koo

Song Jae-ho

Sergeant Shin Dong-chul

Byun Hee-bong

Sergeant Koo Hee-bong

Go Seo-hee

Officer Kwon Kwi-ok

Ryu Tae-ho

Jo Byung-soon

Park No-shik

Baek Kwang-ho

Park Hae-il

Park Hyeon-gyu

Jeon Mi-seon

Kwok Seol-yung

Seo Young-hwa

Woman from Hill

Woo Go-na

Kim So-hyun

Choi Jong-ryul

Kwang-ho's Father

Yoo Seung-mok

Journalist

Shin Hyeon-jong

Autopsy

Jung In-sun

Little Girl

Lee Jae-eung

Little Boy

Kwon Byung-gil

Doctor Noh

Park Hyun-young

School Nurse

Yoon Ga-hyun

Shaman

Kwon Hyeok-pung

Investigator at So-hyun's Crime Scene

Jo Deok-jae

Investigator at So-hyun's Crime Scene

Jo Moon-ee

Pharmacist

Baek Bong-ki

Cop Dressed as Woman

Kim Joo-ryoung

Nurse

Yeom Hye-ran

So-hyun's Mother

Park Jin-woo

Broadcast Station AD

Lee Dong-yong

Suspect

Oh Yong

Cop (uncredited)

Son Jin-hwan

Fellow Detective

Park Tae-kyeong

Fellow Detective

Son Kang-gook

Fellow Detective

Son Jin-ho

Fellow Detective

Shin Un-seop

Rapist

Lee Da-il

Student

Shim Sung-bo

Photojournalist

Seong Jeong-seon

Park Hyeon-gyu's Landlord