刘德华

Andy Lau

饰：陈智光

莫文蔚

Karen Mok

饰：徐敏

黄日华

Felix Wong

饰：陈文

应采儿

Cherrie Ying

饰：李老师

林家栋

Ka Tung Lam

饰：林副校长

冯小刚

Xiaogang Feng

饰：捡废品的老人

李冰冰

Bingbing Li

饰：光仔亲妈

田蕊妮

Kristal Tin

饰：女警察

张燊悦

Nicola Cheung

饰：王老师

薛立贤

Howard Sit

饰：幼年光仔

王树熹

Jacky Wong

饰：B仔,小弟

詹培豪

Chim Pui Ho

饰：大雄

So Kwok Ho

饰：Basketball Team Captain

Pui-Ho Chim

饰：Bear

Kwok Ho So

饰：Basketball Team Captain

Tsz Chun Wong

饰：Basketball Team Member

蔡运华

Shirley Tsoi

陈俊安

Otto Chan Chi-Kin

饰：晨运客 (客串

姚绍忠

Joe

饰：籃球隊隊員

卫志豪

Michael Wai

饰：News Reporter

陈望华

Alexander Chan

饰：Eco-Scholar

刘一飞

Yat-Fei Lau

饰：Bear's Dad

Yee Ting Chan

Yee Ting Chan

饰：Bear's Sister

李日升

oanthan Lee

饰：Basketball Team Member