Manny / Chan Wai-man (as Alex Fong)
Karen
Sir Lee
Hong (as Kwok Kwun Chan)
Ceci
Haha
Manny's Dad
Manny's Mom
Disco Fat Guy (as Hang Sang Poon)
Office Boss (as Sing Wai Chin)
Disco Hot Chick
Enka Singer (as Wing Hong Cheung)
Ex-boyfriend #1
Disco Hot Guy
Muscle Guy / Warden 333
Smooth talker
Karen's manager
Champagne guy