My Mr. Mermaid

Tan Songyun

as

Yun Duo

Dylan Xiong

as

Tang Yibai

Huang Shengchi

as

Qi Ruifeng

Johnny Zhang

as

Lin Zi

Cao Xiyue

as

Cheng Mei

Xin Ruiqi

as

Lin Sang

Peng Yuchang

as

Ming Tian

Yan Xiao

as

Fan Jie'er

Zhang Heng

as

Yuan Runmei

Cai Lu

as

Yong Wu

Pang Hanchen

as

Ouyang Heng

Wang Maolei

as

Sun Bufan

Kui Ma

as

Zheng Linghua

Yang Sun

as

Sun Yang