Nick Cheung Ka-Fai

Blue

Louis Koo

Shiu Chi-Long

Francis Ng

Q sir/Inspector Q

Charmaine Sheh

Ding Siu-Ka

Hui Shiu-Hung

Foon Hei-Gor

Li Guangjie

Tung Pak-Ho

Zhang Huiwen

Siu Ying

Xing Yu

sniper / assassin

Cheng Taishen

Kwok Ming

Moses Chan

Police superintendent