Chief Sergeant Major Lee Rock

Andy Lau Tak-Wah

Grace / Hsiun

Sharla Cheung

Kirin / Fire Dragon

Peter Chan Lung

Rock's detective at station

Jameson Lam Wa-Fan

Ng Hak Ping

Cheung Tat-Ming

Lam Kong / Sergeant Lam Kung

Charles Heung Wah-Keung

Shrimp Head / Lu

Xiong Xinxin

Translator for Comm. Alan

John Wakefield

Detective Tak

Dave Lam Ching

Ridley Tsui Bo-wah

James Tien Chuen

Jim James

Bill Lee Chun-Hsien

Aaron Kwok

Danny Chow Yun-Kin

Sam Kai-Sen Huang

Rose / Ha

Chingmy Yau

Lardo / Lio

Ng Man-tat

Sergeant Ngan Tung

Paul Chun Pui

King Crab

Michael Chan

Hau

Victor Hon Kwan

Commissioner Alan

Louis Roth

Detective Yang

Wong Chi-Keung

Director

Lawrence Ah Mon

Producer

Wong Jing

Screenplay

Chan Man-Keung

Script Consultant

Chan Wa