Donnie Yen Chi-Tan

Leung / Brett Chan

吳家麗

Lisa

盧惠光

Feng Li

胡慧中

Superintendent Wu

Fujimi Takajo

Wendy

Michael Woods

Stephen's man with remote toys

John Salvitti

Stephen

田青

Lisa's father

徐蝦

Professor Wong

譚鎮渡

Peter Tang

梁家仁

Policeman

劉家輝

Policeman

Chu Tit-Wo

Gang boss

徐發

Police chief

Lung Sang

Policeman

何家駒

Man chased by Feng Li

Wong Chi-Keung

蔡宪章

鄧友祺

洪志成