Hwang Jung-min
Choi Cheol-gi

Ryoo Seung-bum
Joo Yang

Yoo Hai-jin
Jang Seok-gu

Cheon Ho-jin
Chief Kang

Don Lee
Ma Dae-ho

Woo Jung-kook
Lee Dong-seok

Jo Young-jin
Kim Yang-su

Jeong Man-sik
Inspector Kong

Kim Min-jae
Detective Lee

Oh Jung-se
Journalist Kim

Song Sae-byuk
Cheol-gi's Brother-in-Law

Kim Su-hyun
Soo-il

An Kil-kang
Gwang Su-dae

Lee Sung-min
Chief Prosecutor

Lee Hee-jun
Detective Nam

Baek Seung-ik
Killer

Go Seo-hee
Cheol-gi's Younger Sister

Lee Chae-eun
Female Judicial Trainee

Lee Kyoung-mi
Forensic Examiner

Oh Si-eun
Treasure Island Lady 4

Choi Woo-sung
Suspect in Photograph

Park Seo-yeon
Joo Yang's Hostess

Lee Jong-goo
Representative Ko

Kwak Ja-hyung
Detective Kwak

Kim Ki-cheon
Old Inspector

Hwang Byeng-gug
Public Defender

Kang Hyun-joong
Member of Squad 1

Lee Mi-do
Lee Dong-seok's Wife

Kwak Jin-seok
Detective in Opening Scene 1

Jung Jin-gak
President

Han Dong-wook
Violent Man 1

Lee Hwa-ryong
Prosecutor

Cho Chul-hyun
Haedong Investor 1

Yoon Jong-goo
Opening Scene Detective

Lee Joon-ik
President Jung

Park Jung-pyo
Choi Cheol-gi's Brother-in-law's Friend

O Seung-hyeon
Haedong Investor 2

Son Sang-kyung
President Kim's Follower

Kim Seung-hoon
Yoo Min-Chul

Choi Sung-hee
Jang Seok-gu's Lover (uncredited)