Andy Lau Tak-Wah ( 劉德華 )

Sas/Puppy

Max Mok Siu-Chung ( Max Mok Siu-Chung )

Chow Chor-San

May Lo Mei-Mei ( May Lo Mei-Mei )

May

Shing Fui-On ( 成奎安 )

Big Skin Chuen

Blackie Ko Shou-Liang ( Blackie Ko Shou-Liang )

Killer

Wang Chung ( Wang Chung )

Officer Chow Wing

Newton Lai ( Newton Lai )

Brother Fu

Pau Hei-Ching ( 鮑起靜 )

Chow Man Sau

Stephen Chang Gwong-Chin ( Stephen Chang Gwong-Chin )

Yellow

Chun Kwai-Bo ( Chun Kwai-Bo )

Fu's thug

Ho Kit ( Ho Kit )

Lam So Mei

Tam Siu-Ying ( Tam Siu-Ying )

May's mother

Hon San ( Hon San )

Big Brother

Fong Ka-Wai ( Fong Ka-Wai )

Mok Hon-Kei ( Mok Hon-Kei )

Chan Ging-Cheung ( Chan Ging-Cheung )

May's father

Ngai Ming-Yiu ( Ngai Ming-Yiu )

Thomas Sin Ho-Ying ( Thomas Sin Ho-Ying )

Yiu

Kan Sek-Ming ( Kan Sek-Ming )

Mr Kan

John Cheung Chan-Sang ( 張贊生 )

Police officer

Shing Fu-On ( 成福安 )

Mad Dog

Fei Pak ( 肥伯 )

Policeman

Lui Siu-Ming ( Lui Siu-Ming )

Prisoner

Fung Gam-Hung ( Fung Gam-Hung )

Prisoner

Cheung Siu ( 張兆 )

Prisoner

David Chung Gam-Gwai ( David Chung Gam-Gwai )

Prisoner