Nick Cheung

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

Louis Cheung

Guy blocking Blue at meeting

Clara Lee

Assassin

Ben Yuen

Uncle Heen

Choi Kwok-Hing

Master Fung

Jade Leung

Karina

Rebecca Zhu

Samantha, CIB detective

Jimmy Au Shui-Wai

Hong Sir

Timothy Cheng

Lin Dongyou

Jason Wong

Kwok Ming's thug

Phat Chan Fei

Lo Hoi-pang

Chan Chun Fung