Raymond Wong Pak-Ming as Sam Hong

May Lo Mei-Wei as May Kang/May Yan [intro]

Gigi Fu Ming-Hin as Akina Chiu [intro]

Melvin Wong Gam-Sam as Shantung Swimming Coach

Tang Kei-Chan as Uncle Tang

Jeanne Kanai as Miss Lo

Mannor Chan as Headmistress

Fennie Yuen Kit-Ying as Cherie Dai / Thatcher

Charine Chan Ka-Ling as Yiu King [intro]

Tsui Kwong-Lam as Deputy Headmaster Chu

Leung Hung-Cheung as

Lee Chuen-Hau as

Wong Kong-Yin as

Yuen Lai-San as Maid

Kerrick Wong Paak-Nin as Canteen worker

Seung Pak-Chun as Canteen worker

Ise Cheng Gin-Ping as Teacher

Wong Cheun-Nam as Canteen worker

Tsui Oi-Sam as Teacher

Shing Fu-On as Ferry Passenger

Shing Gwan-On as School canteen worker

Poon An-Ying as Volleyball spectator

Clifton Ko Chi-Sum as Diving judge

Patrick Leung Pak-Kin as Diving judge

Gigi Lai Chi as Student