Francis Ng Chun-Yu
Q sir/Inspector Q
Charmaine Sheh Sze-Man
Ding Siu-Ka
Benz Hui Shiu-Hung
Foon Hei-Gor
Moses Chan Ho
Police superintendent
Louis Cheung
Guy blocking Blue at meeting
Ben Yuen Foo-Wah
Uncle Heen
Choi Kwok-Hing
Master Fung
Rebecca Zhu
Samantha, CIB detective
Jimmy Au Shui-Wai
Hong Sir
Timothy Cheng Chi-Sing
Lin Dongyou
Jason Wong
Kwok Ming's thug