Actors

Sean Lau Ching-Wan

Actor

Inspector Song Donglu

Nicholas Tse Ting-Fung

Actor

Captain Guo Zhui

Actor

Little Skylark

Actor

Police Chief Jin

Actor

Xiaowu

Actor

NPA senior officer

Actor

Fu Yuan

Actor

Wu Zhongguo

Actor

Li Jia, forensic doctor

Actor

Wang Hai

Johnson Yuen Tak-Cheung

Actor

Nan Cheng

Benz Kong To-Hoi

Actor

Mr Huang, Sulfur manufacturer

Actor

Mr Ding

Actor

Female reporter

Actor

Arsenal Worker