Andy Lau

Lee Rock

Sharla Cheung

Grace

Chingmy Yau

Rose

Ng Man-tat

Lardo

Paul Chun Pui

Sergeant Ngan Tung

Kwan Hoi-San

Sergeant Chan

Michael Chan

King Crab

Tam Sin-Hung

Mrs Chan

James Tien Chuen

Silverfish

Lung Fong

Snake

Victor Hon Kwan

Hau

Lee Siu-Kay

Drill Officer

Eddy Ko Hung

Police Instructor

Wong Yat-fei

Rose's father

Jamie Luk Kim-Ming

Little Brother M

Louis Roth

Commissioner Alan

Chun Wong

Big Brother Ma

Garry Chan Chi-Shing

Ricky Yi Fan-Wai

William Ho Ka-Kui

Ridley Tsui Bo-wah

Paco Yick Tin-Hung