조인성

Kim Byung-doo

천호진

President Hwang

남궁민

Nam Min-ho

이보영

Hyun-joo

진구

Jong-soo

윤제문

Sang-cheol

선우은숙

Byung-doo's Mother

이종혁

Gangster

조진웅

Young-pil

허이재

Kim Seon-ok

이신성

Byeong-sik

권태원

Prosecutor Park

김병춘

Detective Woo

박효준

Hippo

Park Min-gyu

Hong-man

박혁민

Moon-sik

Kim Su-nam

Chun-ho

Choi Jae-hwan

Myeong-gu

Kim Young-pil

Deputy Lee

이양희

Detective Na

서정주

Detective

이현우

Young Min-ho

박진성

Film Company President

전경수

Venom Snake Room Salon Underling

이정은

Female Bookstore Staff 2 (uncredited)

Kim Won-jin

Three-way Arcade Room Gundal 3 (uncredited)

정도안

Special Effects Supervisor

Kang Dae-hui

Lighting Director

Kim Won-jin

Stunts

Lee Sang-ha

Stunts

조영욱

Music

Park Jung-ryul

Martial Arts Choreographer

유하

Screenplay

유하

Director

Tcha Sung-jai

Executive Producer

Lim Wang-sub

Stunts

Jeong Seong-ho

Stunts

Mun Byeong-yong

Visual Effects

Choi Doo-young

Colorist

Kim Dong-eui

Production Sound Mixer

박곡지

Editor

Kim Ki-chul

Production Design

Kim Mi-hee

Producer

Sin Jae-myeong

Fight Choreographer

최선중

Executive Producer