Li Jiuxiao
— Dong Zi
黄米依
— Jiu'er
余皑磊
— Xi Jun
Sha Baoliang
— Mr. Four
Yao Lu
— Dong Zi's Father
戴笑盈
— Yang Liu
Luo Siwei
— Xiao Yun
刘云龙
— KTV Youth
Chen Nuo
— Zhang Yongxi
Zhang Yuxuan
— Officer's Son
Liu Chao
— Security
Yang Dawei
— Patient
Ren Jie
— Xiaoyun's Mother
Tang Qiyao
— Female Tenant
Na Jiazuo
— Narrator