Andy Lau

Senior Inspector Lau Kin-ming

Tony Leung Chiu-wai

Chan Wing-yan

Anthony Wong Chau-Sang

Superintendent Wong Chi-shing

Eric Tsang

Hon Sam

Kelly Chen Hui-Lin

Dr. Lee Sum-yee

Sammi Cheng Sau-Man

Mary

Elva Hsiao

May

Chapman To Man-Chat

Tsui Wai-keung

Gordon Lam Ka-Tung

Inspector B

Yue Man-lok

Young Chan Wing-yan

Edison Chen

Young Lau Kin-ming

Berg Ng Ting-Yip

Senior Inspector Cheung

Wan Chi-Keung

Officer Leung

Dion Lam

Del Piero

Tony Ho

Suspect

Courtney Wu

Stereo Shop Owner

Hui Kam Fung

Cadet School Principal

Chaucharew Wichai

Sunny, Thai Drug Dealer

Au Hin-Wai

Elephant

Lee Tin-Cheung

Double 8

Victy Wong Yin-Keung

CIB Team

Yiu Man-Kei

CIB Team

Benjamin Yuen Wai-Ho

CIB Officer

Wong Chi-Wang

CIB Team

Cheng Wing-Yee

CIB Team

Mak Wai-Gok

CIB Team

Kui Mei-Yee

CIB Team

Tam Kon-Chung

CIB Team

Che Jan-Bong

CIB Team

Chin Yiu-Wing

CIB Team

Ho Chun-Hin

Hon Sam's Follower

Simon Yu Sai-Tang

Hon Sam's Follower

So Wai-Nam

Hon Sam's Follower

Lai Chi-Wai

Hon Sam's Follower

Jerry Leung Ho-Kai

Hon Sam's Follower

Terry Lee Ji-Ming

Hon Sam's Follower

Alex Lee Yip-Kin

Hon Sam's Follower

Chow Pok-Foo

Hon Sam's Follower

Hui On-Tat

Officer Chan

Ho Wing-Ling

Superintendent

Simon Cheung Yuk-San

Cadet School Instructor

Leung Chiu-Yee

May's Daughter

Chang Kin-Yung

Policeman

Lee Wah-Chu

Chief Inspector

Pauline Yeung Yung-Lin

Nanny

Wong Kam-Hung

Sam's Follower