夏日乐悠悠

杨颖

Xia Mi

彭于晏

You Lele

Zhu Yuchen

Hao Chang

Zhou Yang

Sophia

叶良财

You Jiekai/JK

王麒竣

Chicken

He Jie

Guagua

Weng Qia Te

Lawyer Gao

Guo Zhongyou

Mr Liu

张超

Best man

Qiu Wen-Bo

Curly

馬楚成

Director, Director of Photography, Writer

鄺志良

Editor

林俊傑

Original Music Composer

Wang Jin-Qi

Writer