Official website: http://www.linewalkermovie.com
Nick Cheung Ka-Fai
Blue
Louis Koo
Shiu Chi-Long
Francis Ng Chun-Yu
Q sir/Inspector Q
Charmaine Sheh Sze-Man
Ding Siu-Ka
Benz 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 Ho
Police superintendent