Andy Lau
— Lau Kin Ming
Tony Leung Chiu-Wai
— Chan Wing Yan
Anthony Wong Chau-sang
— Wong Chi Shing
Eric Tsang
— Hon Sam
余文樂
— Young Chan Wing Yan
陳冠希
— Young Lau Kin Ming
Francis Ng
— Ngai Wing Hau
陳慧琳
— Lee Sum Yee
鄭秀文
— Mary
蕭亞軒
— May
杜汶澤
— Silly Keung
林家棟
— Inspector B
劉嘉玲
— Mary Hon
Jun Hu
— Luk Kai Cheung
黎明
— Superintendent Yeung Kam Wing
Daoming Chen
— Shadow Shen Cheng