Andy Lau Tak-Wah
Kwong
Karen Mok Man-Wai
Tsui Man
Gordon Lam Ka-Tung
Vice Principal
Felix Wong Yat-Wah
Chan Man
Cherrie Ying Choi-Yi
Miss Lee
Feng Xiaogang
Vagabond in park
Howard Sit Lap-Yin
Kwong Kid
Li Bingbing
Kwong's Mum
Nicola Cheung Sun-Yuet
Miss Wong
Kristal Tin
Policewoman
Chapman To Man-Chat
Policeman
Chim Pui-Ho
Bear
Jacky Wong Shu-Hei
Billy
Simon So Kwok-Ho
Jack
Joe Cheung Tung-Cho