Singing When We're Young

Baby Zhang

張含韻

as Dong Jiujiu

Ran Xu

as Xia Jinghan

Dai Xu

代旭

as Lo Fan

Pan Jie

as Dong Jiujiu's mother

Ni Dahong

倪大红

as Dong Jiujiu's father

Wu Yuyao

吴昱瑶

as Han Xia

Li Xian

李现

as Li Wei

Song Xiaoying

宋晓英

as Xia Jinghan's grandma

Wang Yanhui

王砚辉

as Lo Fan's father

Wang Jinsong

王劲松

as School guard