A former Judo champion is given the chance to redeem himself after he befriends a competitor and an aspiring singer.
古天樂
Sze-To Bo
郭富城
Tony
應采兒
Mona
梁家輝
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
