Louis Koo

as Bob

Barbie Hsu

as Grace Wong

Nick Cheung Ka-Fai

as Detective Fai

Liu Ye

as Senior Inspector Fok

Louis Fan Siu-Wong

as Tong

Eddie Cheung Siu-Fai

as Detective Cheung

Gong Beibi

as Jen

Carlos Chan Ka-Lok

as Roy Wong

Flora Chan Wai-Shan

as Jeannie

Ankie Beilke

as Michelle

Felix Lok Ying-Kwan

as Headmaster (as Felix Lok)

Raymond Ho-Yin Wong

as Boss

Vincent Kok Tak-Chiu

as Man in the Convertible

Jack Wong

as Jack

Tommy Yuen Man-On

as Patient at the Hospital

Terence Tsui Chi-Hung

as Man in the Car

Wong Cho-Lam

as Phone Shop Customer Service Rep

Christian Kila

as Murdered Druglord

Simon Watkiss

as Murdered Druglord

Eddy Law Tin-Chi

Kwok Man-Lok

Wong Man-Shing

Ken Hung