Inspector Song Donglu

Captain Guo Zhui

Little Skylark

Police Chief Jin

Xiaowu

NPA senior officer

Fu Yuan

Wu Zhongguo

Li Jia, forensic doctor

Wang Hai

Nan Cheng

Mr Huang, Sulfur manufacturer

Mr Ding

Female reporter

Arsenal Worker

[Butler]

Art

Directing

Production

Art

Acting

Directing

Acting

Camera

Editing

Sound

Writing