Louis Koo

Bob

Barbie Hsu

Grace Wong

Nick Cheung Ka-fai

Detective Fai

Liu Ye

Senior Inspector Fok

Louis Fan Siu-wong

Tong

Cheung Siu-fai

Detective Cheung

Gong Beibi

Jen

Carlos Chan Ka-Lok

Roy Wong

Flora Chan Wai-Shan

Jeannie

Ankie Beilke

Michelle

Felix Lok Ying-kwan

Headmaster (as Felix Lok)

Raymond Wong Ho-yin

Boss