Andy Lau Tak-Wah as Lau Kin Ming

Tony Leung as Chan Wing Yan

Leon Lai Ming as Superintendent Yeung Kam Wing

Chen Daoming as Shadow Shen Cheng

Anthony Wong Chau-Sang as Wong Chi Shing

Eric Tsang Chi-Wai as Hon Sam

Kelly Chen as Lee Sum Yee

Sammi Cheng Sau-Man as Mary

Carina Lau Kar-Ling as Mary Hon

Edison Chen as Young Lau Kin Ming

Shawn Yue Man-Lok as Young Chan Wing Yan

Eddie Li Yu-Yeung as Young Yeung Kam Wing

Chapman To Man-Chat as Silly Keung

Waise Lee Chi-Hung as Sergeant Chan Chun

Gordon Lam Ka-Tung as Inspector B

Berg Ng Ting-Yip as Inspector Cheung

Wan Chi-Keung as Officer Leung

Vincent Wan Yeung-Ming as Nightclub Manager

Au Hin-Wai as OCTB Officer

Courtney Wu as Stereo Shop Owner

Chiu Man-Tung as IA Officer

Benjamin Yuen Wai-Ho as CIB Officer

Lam Chi-Tai as IA Officer

Chan Shek-Kong as Uncle Chan

Chan Kwok-Wing as SP