Louis Koo Tin-Lok
Sze-To Bo
郭富城
Tony
應采兒
Mona
Tony Leung Ka-Fai
Lee Kong
張兆輝
Boss Savage
陳小春
Mona's Agent
盧海鵬
Master Cheng
蔡一智
Jing
高捷
Mona's Father
洪偉良
Arcade Player (uncredited)
羅靖庭
Savage's Runner (uncredited)
甄懋強
Sze-To's Boss
元彬
Sze-To's Boss (uncredited)
何細文
Fatty
