Tony Leung Chiu-wai

as Billy / Lam Tai-Chi

May Lo Mei-Wei

as Rita

Anita Yuen Wing-Yee

as Ching

Lam Kau

as Billy's dad

Kingdom Yuen King-Tan

as Fung

Nam Hung

as Billy's mom

Maggie Chan Mei-Kei

Sharon Kwok

as Jenny

Tommy Wong

as Brother Wai

Dayo Wong Chi-Wah

as Siu Ping

Philip Keung Ho-Man

as Darkie

Terrence Fok Tat-Wah

Timothy Shaw Chun-Yung

Jamie Luk Kim-Ming

as Chan

Thomas Lam Cho-Fai

as Benny

Lee Yun-Ki

San Wai-Keung

Lam Chiu-Wing

Andy Lee Yiu-Gwong

Lee Ho-Kwan

Shirley Lau Yim-Ngo

Leila Tong