Andy Lau
— Hero Wah
Tony Leung Chiu-Wai
— Chiang Ho-Chie
毛舜筠
— Miss Mui
袁潔瑩
— Fanny
陳惠敏
— Fanny's Father
成奎安
— Mad Bo
Anthony Wong Chau-sang
— Nerd's Brother
Yau Gin-Gwok
— Kung Fu Bodyguard
陳加玲
— Margaret
黃一山
— Turtle
林偉雄
— Wai-Hung Lam
翁世傑
— Mr. Yung
田丰
— Yip Chi-Mei
邵國華
— Siu Wah
李海生
— Big Mouth
梁十一
Shui Jing-Mai
Wong Chi-Keung
— Chiu Chow Triad Boss
James Au
— Chiu-Hei Au
Kam Yat-Lung
羅禮賢
— Brother Nut
James Ha Chim-Si
— Mad Po's Thug
曾近榮
— Police Officer
陳敬
— Casino Clerk
侯煥玲
— Temple Medium
陳志成
— Angry Driver
岑潛波
— Robber
蔡國強
— Robber
Ho Wing-Cheung
— Robber
楚爵年
— Rascal