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William Gao
Acting

William Gao

February 20, 2003 (age 23)London, England, UK

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.

Filmography

Heartstopper: Ending on a Hi poster

Heartstopper: Ending on a Hi

as Self

8.0•2026

Heartstopper: Ending on a Hi

as Self

Heartstopper Forever poster

Heartstopper Forever

as Tao Xu

7.2•2026

Heartstopper Forever

as Tao Xu

Breakwater poster

Breakwater

as Matt

2025

Breakwater

as Matt

Isotope poster

Isotope

as Isotope

2024

Isotope

as Isotope

Sunrise poster

Sunrise

as Edward

5.5•2024

Sunrise

as Edward

Dead Cat Film poster

Dead Cat Film

as Alex

2023

Dead Cat Film

as Alex

Joe Lycett's Big Pride Party poster

Joe Lycett's Big Pride Party

as Self

2022

Joe Lycett's Big Pride Party

as Self

Crescendo poster

Crescendo

as Pianist

2021

Crescendo

as Pianist

Becoming Capa

Becoming Capa