Matt Kuo as Lai Chien-Yu

Yang Jhuo-Ray as Zit

Joseph Huang as Senior Ah Hao

Mimi Shao as Zeng Yu-Shin

Li Zhenhao as Chien-Yu's Brother

Ning Chang as Guidance Counselor

Annie Chen as Teacher Xiao Juan

Chan Tzu-hsuan as Zit's Sister

Richard Lin as Math Teacher

Suming Rupi as Cooperative Owner

Ada Pan as Chien-Yu's Mother

Blaire Ko as Chien-Yu's Father

Alexia Kao as Zit's Mother

Wu Kun-da as Zit's Father