Tony Leung Ka-fai

Kai

袁詠儀

Yee

伍詠薇

Wai Wai

劉曉彤

Pai

鄭丹瑞

Martin Cheng Sai Kit

Law Kar-Ying

Judge

Sheila Chan Suk-Lan

Kai's sister-in-law

方中信

Kai's brother

苑瓊丹

Woman in clinic [cameo]

Jacob Cheung

Cheung Chi-Sing

林偉亮

Michael

Rosa Chang Hing-Wan

Ben Luk Man-Wah

Pen Pang Yat-Sang

James Cheung

Kim Yip Kwong-Kim

Kai's Lawyer

陳盛鴻

麥詠麟

Poon Chung-Ming

Fong Wai-Chung

徐國強

Cheung Kwok-Choi

Chan Chi-Wah

Siu Yee

Wong Chi-Keung

梁其禧

Leung San

Chan Shing-Hung