Song Kang-ho

Character: Detective Park Doo-man

Kim Sang-kyung

Character: Detective Seo Tae-yoon

Kim Roi-ha

Character: Detective Cho Yong-koo

Song Jae-ho

Character: Sergeant Shin Dong-chul

Byun Hee-bong

Character: Sergeant Koo Hee-bong

Go Seo-hee

Character: Officer Kwon Kwi-ok

Ryu Tae-ho

Character: Jo Byung-soon

Park No-shik

Character: Baek Kwang-ho

Park Hae-il

Character: Park Hyeon-gyu

Jeon Mi-seon

Character: Kwok Seol-yung

Seo Young-hwa

Character: Woman from Hill

Woo Go-na

Character: Kim So-hyun

Choi Jong-ryul

Character: Kwang-ho's Father

Yoo Seung-mok

Character: Journalist

Shin Hyeon-jong

Character: Autopsy

Jung In-sun

Character: Little Girl

Lee Jae-eung

Character: Little Boy

Kwon Byung-gil

Character: Doctor Noh

Park Hyun-young

Character: School Nurse

Yoon Ga-hyun

Character: Shaman

Kwon Hyeok-pung

Character: Investigator at So-hyun's Crime Scene

Jo Deok-jae

Character: Investigator at So-hyun's Crime Scene

Jo Moon-ee

Character: Pharmacist

Baek Bong-ki

Character: Cop Dressed as Woman

Kim Joo-ryoung

Character: Nurse

Yeom Hye-ran

Character: So-hyun's Mother

Park Jin-woo

Character: Broadcast Station AD

Lee Dong-yong

Character: Suspect

Oh Yong

Character: Cop (uncredited)

Son Jin-hwan

Character: Fellow Detective

Park Tae-kyeong

Character: Fellow Detective

Son Kang-gook

Character: Fellow Detective

Son Jin-ho

Character: Fellow Detective

Shin Un-seop

Character: Rapist

Kim Ha-kyeong

Character: Lee Hyang-suk

Lee Da-il

Character: Student

Shim Sung-bo

Character: Photojournalist

Lee Kang-san

Character: Boiler Kim

Lee In-hui

Character: Cement factory worker

Seong Jeong-seon

Character: Park Hyeon-gyu's Landlord

Yoo In-soo

Character: Official