Andy Lau
— Henry Tse
何家勁
— Wayne
黎姿
— Winnie Sung
龍方
— C.K. Chong
程東
— Skinny
Melvin Wong
— Prison officer
黃愷欣
— Wayne's Mother
Wai Gei-Shun
— Wayne's Stepfather
Law Shu-Kei
— Judge
陳嘉輝
何家駒
— Charlie Ma
林聰
韓坤
— Henry's Father
成福安
— Brother Bull
Stephen Chang Gwong-Chin
梁錦燊
— Sean Man Cheung Hung
黃倫祥
馮志成
蔡宏偉
周志深
Lam Yin-Ming
— Mandy
Lam Chung
— Sgt. Fung
Lau Yuk-Gei
— Peter
楊健惠
冼志偉
李俊傑
— Sgt. Fung's Assistant
江富強
— Triad