Sean Lau Ching-Wan
Inspector Song Donglu
Sean Lau Ching-Wan
Inspector Song Donglu
Nicholas Tse Ting-Fung
Captain Guo Zhui
Yang Mi
Little Skylark
Wu Gang
Police Chief Jin
Jing Boran
Xiaowu
Gao Hu
NPA senior officer
Jiang Yiyan
Fu Yuan
Chin Ka-Lok
Wu Zhongguo
Yumiko Cheng
Li Jia, forensic doctor
Wang Ziyi
Wang Hai
Johnson Yuen Tak-Cheung
Nan Cheng
Benz Kong To-Hoi
Mr Huang, Sulfur manufacturer
Liu Kai-Chi
Mr Ding
Zhang Heng
Female reporter
Li Dong
Arsenal Worker
Mandy Law-Huang
Producer
Lo Chi-leung
Writer
Yeung Sin-Ling
Writer
Derek Yee Tung-Sing
Producer
Attis Lee Kin-Wai
Art Direction
Teddy Robin
Original Music Composer
Lo Chi-leung
Director
Silver Cheung
Production Design
Chan Chi-Ying
Director of Photography
Eric Kwong Chi-Leung
Editor
Tommy Wai Kai-Leung
Original Music Composer