Wait 'Til You're Older

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 Yui-nei

Policewoman

Chapman To Man-chat

Policeman

Chim Pui-Ho

Bear

Jacky Wong Shu-Hei

Billy

Simon So Kwok-Ho

Jack

Joe Cheung Tung-cho