Andy Lau as Lau Kin Ming

Tony Leung as Chan Wing Yan

Leon Lai as Superintendent Yeung Kam Wing

Chen Daoming as Shadow Shen Cheng

Anthony Wong as Wong Chi Shing

Eric Tsang as Hon Sam

Kelly Chen as Lee Sum Yee

Sammi Cheng as Mary

Carina Lau as Mary Hon

Edison Chen as Young Lau Kin Ming

Shawn Yue as Young Chan Wing Yan

Eddie Li Yu-Yeung as Young Yeung Kam Wing

Chapman To Man-Chat as Silly Keung

Waise Lee 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

Mason Chiu 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