Tony Leung Ka-fai
Kai
Anita Yuen
Yee
Christine Ng
Wai Wai
Law Kar-Ying
Judge
Alex Fong
Kai's brother
Sheila Chan Suk-Lan
Kai's sister-in-law
Lawrence Cheng
Martin Cheng Sai Kit
Kingdom Yuen
Woman in clinic [cameo]
Annabelle Lau Hiu-Tung
Pai
Jacob Cheung
Cheung Chi-Sing
Michael Lam Wai-Leung
Rosa Chang Hing-Wan
Ben Luk Man-Wah
Pen Pang Yat-Sang
James Cheung
Kim Yip Kwong-Kim
Chan Shing-Hung
Wong Chi-Keung
Gary Mak Wing-Lun
Poon Chung-Ming
Fong Wai-Chung
Patrick Tsui Kwok-Keung
Siu Yee