Baby Zhang as Dong Jiujiu

Ran Xu as Xia Jinghan

Dai Xu as Lo Fan

Pan Jie as Dong Jiujiu's mother

Ni Dahong as Dong Jiujiu's father

Yuyao Wu as Han Xia

Li Xian as Li Wei

Song Xiaoying as Xia Jinghan's grandma

Wang Yanhui as Lo Fan's father

Wang Jinsong as School guard