梁家輝

Inspector Tang

Joyce Ni Shu-Chun

彭健新

Fire Unicorn

太保

Tai Bo

曹查理

Charles

莊文清

Mrs. Cow

Hon Yee-Sang

Tang's assistant

David Wu

李海生

陸劍明

Man in toilet

Wu Chia-Hsiang

Cleaner at police station

唐基明

陳國權

Mr. Cow

Pan Yung-Sheng

Golden Mouse

Yat Boon-Chai

余慕蓮

Tsang Choh-Lam

Opium smoker detained at station

馮敬文

吳浣儀

Fa Dan Chun

Eddie Chan Shu-Chi

樓南光

翁世傑