杜汶澤
— To, Wai Cheung
陳靜
— Popping Candy
Ronald Cheng
— Brother Tyrannosaurus
田蕊妮
— Tsang Lai-fun
薛凱琪
— Quin Lau / Lau Sin-yee
邵音音
— Yum Yum Shaw
鄒凱光
— Blackie Tak
葉山豪
— Self
詹瑞文
— Fireworks Lau
周俊偉
— Policeman
麥玲玲
— Hypnotist
谷德昭
— Playboy Condoms Manager
雷宇揚
— Lui Wing-shing
Suet Lam
— Wah-tao
鄭丹瑞
— Professor Cheng
楊千嬅
— EEO Officer Miss Leung
Nora Miao
— Miss Cheung
黄璐
— Student at Master Class
陳沛妍
— Jacqueline
彭秀慧
— Tea Lady
區軒偉
張育華
— Tyrannosaurus' Follower