Chief Sergeant Major Lee Rock

Andy Lau

Grace Pak

Sharla Cheung

Bill Lee

Aaron Kwok

Grace / Hsiun

Zhang Min

Bill Lee Chun-Hsien

Aaron Kwok Fu-Shing

Rose

Chingmy Yau Suk-Ching

Lardo

Ng Man-Tat

Ngan Tung

Paul Chun

King Crab (uncredited)

Michael Chan Wai-Man

Silverfish

James Tien Chun

Lam Kong / Sergeant Lam Kung (uncredited)

Charles Heung

King Crab

Michael Chan

Hau (uncredited)

Victor Hon Kwan

Commissioner Alan (uncredited)

Louis Roth

Detective Yang (uncredited)

Wong Chi-Keung

Kirin / Fire Dragon (uncredited)

Peter Chan Lung

Rock's detective at station (uncredited)

Jameson Lam Wa-Fan

Ng Hak Ping (uncredited)

Cheung Tat-Ming

Kirin / Fire Dragon

Peter Chan

Shrimp Head / Lu (uncredited)

Xiong Xinxin

Translator for Comm. Alan (uncredited)

John Wakefield

Detective Tak (uncredited)

Dave Lam Ching

Shrimp Head's Man

Ridley Tsui Bo-Wah

Police Officer

Jim James

Shrimp Head's Man

Danny Chow Yun-Kin

Shrimp's Thug at Hospital

Huang Kaisen