Eason Chan
— Cheng Kam Fu
鍾欣潼
— Cheng Sze Wai
鄧麗欣
— Kate Cheung
麥浚龍
— Eagle
Chet Lam
— Band Singer
余文樂
— Lok
譚耀文
— Magazine Editor
陳冠希
— Disco Boy
鄭融
— Disco Girl
關智斌
— Ah Chi
林海峰
— KY
杜汶澤
— Chak
陳輝虹
— Professor Chan
Lee Chi-Kin
— Man in Sexual Fantasy
Tsang Lee
— Woman in Sexual Fantasy
陳子聰
— Chan Wai Yeung
陳逸寧
— Wai Ying
AngelaBaby
— Tak Nga
Zhang Zheng
— Fei Fei
金培達
— Mr. Wong
Feng Xiaogang
— Account Services Executive
田蕊妮
— Professor Chan's Wife
Wan Chi-Man
— Patrolman
谷德昭
— Teacher (voice)
潘恆生
— Huifu
Hyper BB
— Classmate