Mark Cheng Ho-Nam

as Lung

Carrie Ng Ka-Lai

as Fung

Felix Wong Yat-Wah

as Hung

Liu Kai-Chi

as Chuen

Sunny Fang Kang

as Ma Kwun

Yuen Bun

as Sum

Leung See-Ho

as Man

Wilson Ai Wai

as Shing

Cheng Ka-Sang

as Kuen

Felix Lok Ying-Kwan

as Inspector Lee

Lau Kong

as Commissioner Tsang

Lee Shing-Cheong

as Chemistry Teacher

Kwan Ching

as Brother Ying

Wong Hung

as Fatty

Richard Ng Man-Tat

as Club Patron

Johnnie To

as Club Patron

Alan Chan Kwok-Kuen

Stephan Yip Tin-Hang

Keith Ng Shui-Ting

Wong Chi-Wai

Bai Lan

Wong Wai-Tak

Ricky Wong Chung-Tsu

Wayne Lai Yiu-Cheung

Lee Siu-Kay

Gilbert Lam Wai-San