Line Walker

Nick Cheung Ka-Fai

Blue

Louis Koo

Shiu Chi-Long

Francis Ng Chun-Yu

Q-Sir / Inspector Q

Charmaine Sheh Sze-Man

Ding Siu-Ka

Benz Hui Siu-Hung

Foon Hei-Gor

Moses Chan Ho

Police Superintendent

Louis Cheung

Triad Member

Clara Lee

Assassin

Li Guangjie

Tung Pak-Ho

Zhang Huiwen

Siu Ying, Blue's Bodyguard

Xing Yu

Sniper

Cheng Taishen

Kwok Ming

Lo Hoi-Pang

Triad Member

Bob Lam Shing-Ban

Ferrari Owner

Timothy Cheng Chi-Sing

Lam Tung Yau

Jade Leung Tsang

Karina

Jimmy Au Shui-Wai

Hong Sir

Rebecca Zhu Chenli

Samantha, CIB Detective

Stefan Wong Cheung-Hing

CIB Detective

Grace Wong

CIB Detective

Hugo Wong

Shiu Chi-Long's Subordinate

Océane Zhu

CIB Detective

William Chak

Ng Pak

Sammi Cheung

CIB Detective

Choi Kwok-Hing

Triad Member

Ken Law Ho-Ming

Lam Bok-Man's Bodyguard

Jerry Leung Ho-Kai

Lam Bok-Man's Bodyguard

Ben Yuen Foo-Wah

Triad Member

Alice Fung So-Bor

Auntie Mui

Michael Wai Chi-Ho

Cocktail MC

Cheung Lap-Fung

Assassin in Sauna

Keira Wang

Mandy

Fung Hong-Ling

Banker

Leo Lai Yat-Nam

Restaurant Manager

Kevin Tong

Peter, IT Manager

Carlos Koo

Bank Client

Benjamin Wong Chi-Kong

Ma Sir

Vernon Fong

Interrogation Room Policeman

Ho Chun-Hin

Interrogation Room Policeman

Xavier Leung Kwok-Kin

Shiu Chi-Long's Thug

Sunny Chow

Chum Foon Hei's Thug

Kwing Lam Ka-Wing

Chum Foon Hei's Thug

Lau Tin-Lung

CIB

Terrence Huang

CIB

Penny Chan Kwok-Fung

CIB

Yu Miao

CIB

Dickson Wong Tak-Sang

CIB

Jones Lee Chung Hei

Triad Member

Alex To Kong

Triad Member

Julius Brian Siswojo

Triad Member

Phat Chan

Triad Member

Edward Chui Wai-Tung

Triad Member

Andy Wong Chi-Man

Lam Tung Yau's Bodyguard

Che Kim-Fai

Lam Tung Yau's Bodyguard

Jason Wong

Kwok Ming's Thug

Jacky Lei

Kwok Ming's Thug

Ronald Lam Tsz-Kit

Surveillance Room Policeman

Derek Lam Ling-Yuen

Tung Pak-Ho's Thug

Woo Man-Jun

Tung Pak-Ho's Thug

Emil Chan Cheuk-Wah

Ng Pak's Thug

Jordon Ho Kwok-Nam

Police Inspector

David Yu Tat-Chi

Police Inspector

Mark Lam Wing-Chung

Police Inspector

Chan Ying-Kit

Police Inspector

Akai Lee

Kwong Ming Lawyer

Cheung Wing-Kai

OTCB Officer

Ng Chi-Wai

OTCB Officer

Kwong Yuk-Chung

OTCB Officer

Law Yim-Cheong

OTCB Officer

Jorge Lucas

Drug Lord

Aires Jorge Ramos

Driver

Yiu Man-Kei

Ding's Police Guard

Tommy Leung Pok-Yan

Ding's Police Guard

Wong Wai-Tong

Hitman

Kong Fu-Keung

Hitman

Cheung Ping-Chuen

Hitman

Paco Yick Tin-Hung

Hitman

Kris Li Chun-Pan

MJ Chan

Jazz Boon

Director

Cat Kwan Ho-Ming

Writer

Wong Jing

Producer

Tommy Leung Ga-Shu

Producer

Kathy Wong Ka-Yi

Production Manager

Kenny Tse Chung-To

Director of Photography

MJ Chan

Stunt Double

Chi Shui-Tim

Pyrotechnician

Azrael Chung

Editor

Yusuke Hatano

Original Music Composer

Kenneth Yee

Costume Design