Crystal Hunt

Donnie Yen

Leung / Brett Chan

Carrie Ng Ka-Lai

Lisa

Ken Lo Wai-Kwong

Feng Li

Sibelle Hu Hui-Chung

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

Bryan 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