Ricky Hui Koon-Ying as Brainlet

Lowell Lo Koon-Ting as Tong Tai Chung

Cecilia Yip Tung as Luk Yiu Yiu

Shing Fui-On as Bridegroom

Chan Lap-Ban as Steve's mom

Law Ho-Kai as Watch boutique manager

Teddy Lin as Yiu's ex-boyfriend

Lo Yuen as Taipan Chan

Eric Yeung Jan-Yiu as Steve Ho Kei Kin

Ho Chi-Moon as Wedding guest