Andy Lau

Character: Lee Rock

Aaron Kwok

Character: Bill Lee

Sharla Cheung

Character: Grace Pak

Chingmy Yau Suk-Ching

Character: Rose

Richard Ng Man-Tat

Character: Lardo

Paul Chun Pui

Character: Sergeant Ngan Tung

James Tien Chun

Character: Silverfish

Michael Chan Wai-Man

Character: King Crab

Victor Hon Kwan

Character: Hau

Louis Roth

Character: Commissioner Alan

Wong Chi-Keung

Character: Detective Yang

Peter Chan Lung

Character: Kirin / Fire Dragon

Jameson Lam Wa-Fan

Character: Rock's detective at station

Cheung Tat-Ming

Character: Ng Hak Ping

Charles Heung

Character: Sergeant Lam Kong

Xiong Xinxin

Character: Shrimp Head

John Wakefield

Character: Translator for Comm. Alan

Dave Lam Ching

Character: Detective Tak

Ridley Tsui Bo-Wah

Character: Shrimp Head's Man

Jim James

Character: Police Officer

Danny Chow Yun-Kin

Character: Shrimp Head's Man

Huang Kaisen

Character: Shrimp's Thug at Hospital