Tony Leung Chiu-Wai
— Richard Ma
Shu Qi
— Choi
林家棟
— Tom Yam
麥家琪
— Fong
黃一飛
— Uncle Cracker
張慧儀
— Dr. Lam
金剛
— Fred Niu
邱萬城
— Fatty
曹眾
— Helena
Helen Poon Bing-Seung
— Richard's mother
葉景文
— Alexander Ma
Wong Sum-Yu
— Martha
Prudence Kao Bao-Yun
— Vennessa
彭立威
— Building security guard
董偉強
— Choi's boss
李耀明
— Waiter