All Cast
Ekin Cheng Yee-Kin
Thirteen Cheung
Charlene Choi Cheuk-Yin
Yoyo Ma
Stephanie Che Yuen-Yuen
Ms Lau
Bernice Jan Liu
Ms Lee
Patrick Tang
Mr Lam
Ronald Cheng Chung-Kei
Bruce
Sandy Lam San-San
Headmistress
May Lai Shun-Wai
Feli
Richard Ng Yiu-Hon
Professor
Fung Lee
Thirteen's mom
Chin Tsi-Ang
Thirteen's grandma
Chiu Yue-Ming
Yoyo's mother