Andy Lau as Yu Shun-tin

Louis Koo as Fung Chun-kwok

Michael Miu Kiu-Wai as Lam Ching-fung

Karena Lam Kar-Yan as Chow Man-fung

Cheung Kwok-Keung as Ming

Carlos Chan as Jack Yau Sai-Hung

Michelle Wai Si-Nga as Apple

Jun Kung as Cho Tai

Kent Cheng Jak-Si as Yu Nam

Gordon Lam Ka-Tung as Secretary for justice

Cherrie Ying Choi-Yi as Sister Ca

Chrissie Chau Sau-Na as Chan Ching-mei

Elena Kong Mei-Yee as Ching

Jin Au-Yeung as Cho Ping

Cheung Chun-Kit as Dicky

Lau Kong as Cheung Tsz-Ming (chief superintendent)

Ben Yuen Foo-Wah as Deputy commissioner of police

Sam Lee as Drug dealer

Halina Tam Siu-Wan as Siu Ka-Man (doctor)

Pancy Chan as Senior constable

Jimmy Au Shui-Wai as Chiu Wing-Cheong

Gill Mohindepaul Singh as Abbas Abraham

On Tak-Juen as

Jai Day as

Philippe Joly as Jozsef

Singh Hartihan Bitto as Ali

So Wai-Nam as Drug Dealer

Tony Ho as Yu Shun-Tin's father

Angie Aveestar as

Clare Chan as Reporter

Nishant as Abbas' gang

Rain Lee Wing-Shan as Marianne

Bure Li as Senior Constable

Thomas Sin Ho-Ying as

Bowie Chan Wing-Wai as Tai Ping's Gang

Ernesto de Sousa as Tai Ping's Gang

Eddie Pang Wai-On as

Bonnie Xian as

Chin Yiu-Wing as

Ray Yuen Man-Kit as Drug Dealer

Ricky Chan Chun-Wah as Abbas' Gang

Peter Chan Bei-Dak as

Hu Chun-Hin as Yu Shun-Tin (Age 6)