Tony Leung Chiu-wai

Chan Wing-yan

Andy Lau

Senior Inspector Lau Kin-ming

Leon Lai Ming

Superintendent Yeung Kam-wing

Chen Daoming

Shadow Shen Cheng

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

Carina Lau

Mary Hon

Edison Chen

Young Lau Kin-ming

Yue Man-lok

Young Chan Wing-yan

Eddie Li Yu-Yeung

Young Yeung Kam-wing

Chapman To Man-Chat

Tsui Wai-keung

Waise Lee Chi-Hung

Sergeant Chan Chun

Gordon Lam Ka-Tung

Inspector B

Berg Ng Ting-Yip

Senior Inspector Cheung

Wan Chi-Keung

Officer Leung

Vincent Wan Yeung-Ming

Nightclub Manager

Au Hin-Wai

OCTB Officer

Courtney Wu

Stereo Shop Owner

Mason Chiu

IA Officer

Benjamin Yuen Wai-Ho

CIB Officer

Lam Chi-Tai

IA Officer

Chan Shek-Kong

Uncle Chan

Chan Kwok-Wing

SP