Louis Koo

as Sam

Julian Cheung Chi-Lam

as David

Charlene Choi Chuek-Yin

as Yan

Charmaine Sheh Sze-Man

as Sze

Gordon Lam Ka-Tung

as Chan Chi-Keung

Helena Law Lan

as The Taoist

Alex Lam Tak-Shun

as Patrick

Heidi Lee

as Jamie

Ava Yu Kiu

as Hung

Phat Chan

as Mysterious Man

Ken Lo Wai-Kwong

as Loan Shark Fung

Emily Kwan Bo-Wai

as Plastic Surgeon

Lam Suet

as Jamie's Uncle

Kingdom Yuen King-Tan

as Jamie's Aunt

Cheung Tat-Ming

as Security Guard

Tony Ho

as Cop

Bonnie Wong Man-Wai

as Patrick's Mother

Hau Woon-Ling

Au Hin-Wai

Andy Wong Chi-Man

Terence Tsui

Aaron Chow

Elena Kong Mei-Yee

Martin Wong

as CID

Wong Ching-Lam

as Reporter

Renci Yeung

Pancy Chan Pui-Sze

Chin Yiu-Wing