柔道龍虎榜

Louis Koo

Sze-To Bo

郭富城

Tony

應采兒

Mona

Tony Leung

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