Simon Yam

Sergeant Wong Man-Chin / Dog Head

Tony Leung

Chan Chong-Shan / Hollow Man

徐子珊

Constable Ho Ka-Po / Piggy

林雪

Ng Tung / Fatman

邵美琪

Madam Fong

張兆輝

Chief Inspector Chan

吳廷燁

Chan Chong-Shan's Gang Member

黎耀祥

Chan Chong-Shan's Gang Member