William Gao

Biography

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.

Known For

Heartstopper

Later... with Jools Holland

Heartstopper Forever

Sunrise

Joe Lycett's Big Pride Party

Heartstopper: The Official Podcast

Isotope

Breakwater

All Movies (8)

• Heartstopper Forever2026 · as Tao Xu
• Breakwater2025 · as Matt
• Isotope2024 · as Isotope
• Sunrise2024 · as Edward
• Dead Cat Film2023 · as Alex
• Joe Lycett's Big Pride Party2022 · as Self
• Crescendo2021 · as Pianist
• Becoming Capa—

All TV Shows (3)

• Heartstopper: The Official Podcast2024 · as Self - Guest
• Heartstopper2022 · as Tao Xu
• Later... with Jools Holland1992 · as Self - Performer