Lin Yun

Mermaid Shan

Deng Chao

Liu Xuan

Kitty Zhang

Ruolan

Show Lo

Brother Eight

Tsui Hark

Uncle Rich

Wen Zhang

Constable Mo

Kris Wu

Long Jianfei

Lee Sheung-Ching

Constable Shi

Lu Zhengyu

Mr. Liao

Chiu Chi-Ling

Mermaid Long

Mei'e Zhang

Mermaid

Gao Shuang

Liu Xuan's Bodyguard

Barbie Liu

Mermaid

Linah Matsuoka

George's Assistant

Xu Zhenzhen

George's Assistant

White-K

Museum Visitor

Kong Lian-Shun

Museum Visitor

Wilson Chin

Mermaid Fat

Tenky Tin Kai-Man

Museum Visitor

Lam Tze-chung

Technician

Zheng Ji-Feng

Cheng

范淑珍

Mermaid Shitai

Pierre Bourdaud

Auctioneer

Ivan Kotik

Dr. George

Yeung Lun

Curator

Sun Jia Ling

Courier

Kabby Hui

Reporter

Li Ye-Qing

Ruo-Lan's Assistant

Zeng Yilian

Office Lady

Zhou Shuai

The Party Guest

Baat Leung-Gam

Zhao Fanghua

Party Guest