Donnie Yen

Leung / Brett Chan

Carrie Ng

Lisa

Ken Lo

Feng Li

Sibelle Hu

Superintendent Wu

Fujimi Takajo

Wendy

Michael Woods

Stephen's man with remote toys

John Salvitti

Stephen

Tin Ching

Lisa's father

Hsu Hsia

Professor Wong

Tony Tam Chun-To

Peter Tang

Leung Kar-Yan

Policeman

Gordon Liu Chia-hui

Policeman

Chu Tit-Wo

Gang boss

Chui Fat

Police chief

Lung Sang

Policeman

William Ho

Man chased by Feng Li

Wong Chi-Keung

Choi Hin-Cheung

Danny Tang Yau-Kay

Hung Chi-Sing