Lau Ching-Wan

Inspector Song Donglu / Song Donglu

Jiang Yiyan

Fu Yuan

Li Dong

Arsenal Worker / Fei Long Shou Hu

Nicholas Tse Ting-Fung

Captain Guo Zhui

Yang Mi

Little Skylark

Gordon Lam Ka-Tung

Huo Hua

Guo Xiaodong

Gao Minxiong

Wu Gang

Police Chief Jin

Jing Boran

Xiaowu

Li Xiaolu

Chang Sheng

Rhydian Vaughan

Chen Maojin

Gao Hu

NPA senior officer

Paulyn Sun

Tan Hu

Chin Ka-Lok

Wu Zhongguo

Qie Lutong

Xiao Fan

Yumiko Cheng Hei-Yi

Li Jia, forensic doctor

Hidy Yu

Yang Lingchen

Jonathan Kos-Read

Foreign official

Wang Ziyi

Wang Hai

Wang Cheng

Workers' representative

Johnson Yuen Tak-Cheung

Nan Cheng

Lau Shun

Benz Kong To-Hoi

Mr Huang, Sulfur manufacturer

Liu Kai-Chi

Mr Ding

Zhang Heng

Female reporter

Ren Luomin

[Butler]

Chen Qianduo