Louis Koo

as Law Wing Jau

Sean Lau Ching-Wan

as Luk Kam Keung

Daniel Wu

as Joe

Zhou Xun

as Moon

Michelle Ye Xuan

as Luk Wing Yu

Gordon Lam Ka-Tung

as Paul

Dominic Lam Ka-Wah

as Chuck

Alex Fong Chung-Sun

as Fu

Huang Yi

as Fu's wife

Huang Lei

as Wan

Kenneth Tsang

as Uncle To

Richard Ng Man-Tat

as Szeto

Felix Lok Ying-Kwan

as Mark

Samuel Kwok Fung

as Uncle Nine

Helena Law Lan

as Aunt Gil

Chin Ka-Lok

as Yuen

Wilfred Lau Ho-Lung

as Dragon Boy

Vincent Kok Tak-Chiu

as Computer expert

Candy Yuen

as Prostitute

Tony Ho

Adam Chan Chung-Tai

Lung Tin-Sang

Ben Yuen Foo-Wah

So Wai-Nam

Chin Yiu-Wing

Lui Siu-Ming

Buffalo Tang Tai-Wo

Vincent Lo

as Sunny