新房客

황추생

Alan Tam

Dolphin Chan Hoi-Hang

Dolphin / Shark

黃柏文

Officer Lee Sau

오계화

Wong Yu Yan, Anthropologist

엽영조

Dolphin's Dad

黃子華

Dr. Wong

黎海珊

Whale

Lee Chung-Wai

유청운

Joe [cameo]

증근영

Library Cleaner [cameo]

구예도

八兩金