Cast & creator
William Gao
Best known for Later... with Jools Holland, Heartstopper, Heartstopper Forever
William Gao (Chinese: 高鑫; pinyin: Gāo Xīn; born 20 February 2003) is an English actor and musician. He is known for his debut role as Tao Xu in the Netflix series Heartstopper (2022–present), for which he was nominated for a Children's and Family Emmy Award for Outstanding Supporting Performance. Gao and his younger sister Olivia Hardy formed a music duo called Wasia Project in 2019.
Also known as: William Gao Hardy, Gāo Xīn
11
film credits
4
television credits
13
1992–2026 · acting roles
7.0
average across scored titles
Signature credits
Known for
Across film & television
Filmography (15)
Showing 15 of 15 credits
Later... with Jools Holland
Self - Performer
1992
Heartstopper
Tao Xu
2022
Heartstopper Forever
Tao Xu
2026
Heartstopper Forever: The Official Podcast
Self - Guest
2026Becoming Capa
Heartstopper: Ending on a Hi
Self
2026
Heartstopper: The Official Podcast
Self - Guest
2024
Joe Lycett's Big Pride Party
Self
2022
Sunrise
Edward
2024
Breakwater
Matt
2025
Crescendo
Pianist
2021Crescendo
Music
2021
Dead Cat Film
Alex
2023
Isotope
Isotope
2024Isotope
Writer
2024