Stephen Chow as Leon

Karen Mok as Kwan

Lo Hung as Captain Lu

Wong Yat-Fei as Ballsy

Lee Kin-Yan as Big Cat

Lee Lik-Chi as Little Cat

Ben Wong as Keung

Bill Chan Wing-Biu as Junkie Ming

Heung Dip as Chang / Beard

Bruce Mang Lung as Mung

Carol Tam as Mrs. Li

Chow Chi-Fai as Mr. Li

Hau Woon-Ling as Mr. Li's Dead Mother

Bryan Leung as Mr. Wu

Lam Suet as Eatery Assistant

Hui Sze-Man as Mrs. Zhang

Jackson Ha Chak-Shun as Mental Hospital Staff

Wong Kam-Tong as Kwan's father

Leung Choi as Lawyer