劉青雲

Inspector Song Donglu

謝霆鋒

Captain Guo Zhui

杨幂

Little Skylark

吴刚

Police Chief Jin

井柏然

Xiaowu

高虎

NPA senior officer

江一燕

Fu Yuan

錢嘉樂

Wu Zhongguo

鄭希怡

Li Jia, forensic doctor

王杍逸

Wang Hai

阮德鏘

Nan Cheng

江道海

Mr Huang, Sulfur manufacturer

廖啟智

Mr Ding

Zhang Heng

Female reporter

李栋

Arsenal Worker

任洛敏

[Butler]

Chen Qianduo