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 Ka-Lok

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 Pui-Sze

as Senior constable

Jimmy Au Shui-Wai

as Chiu Wing-Cheong

Gill Mohindepaul Singh

as Abbas Abraham

On Tak-Juen

Jai Day

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

Clare Chan

as Reporter

Nishant

as Abbas' gang

Rain Lee Wing-Shan

as Marianne

Bure Li

as Senior Constable

Thomas Sin Ho-Ying

Bowie Chan Wing-Wai

as Tai Ping's Gang

Ernesto de Sousa

as Tai Ping's Gang

Eddie Pang Wai-On

Bonnie Xian

Chin Yiu-Wing

Ray Yuen Man-Kit

as Drug Dealer

Ricky Chan Chun-Wah

as Abbas' Gang

Peter Chan Bei-Dak

Hu Chun-Hin

as Yu Shun-Tin (Age 6)

Albert Leung

Julian Gaertner

Lai Shuk-Ki

as Master of Ceremonies

Wong Ka-Man

as Kwok's Girlfriend