Tony Leung Chiu-wai

Ben / Siu Bun

張學友

Frank / Fai Jai

李子雄

Paul / Sau Ming

任達華

Luke / Lok

袁潔瑩

Jane / Siu Jan

甄楚倩

Sally Yan Sau Ching

林聰

Mr Y.S. Leong

鮑起靜

Ben's Mother

曾近榮

Jane's Father