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