Dear Little Mermaid

Lin Siyi

as

Qin Ge

Xu Kaixin

as

Bai Qijia

Cai Yijia

as

Chen Min

Fu Mei

as

Lin Xuexhou

Zhang Keai

as

Tian Cheng

Pan Luyu

as

Lu Tian

Zhang Qingqing

as

Qin Hansheng

贺楚清

as

Qin Ge (child)