William Gao

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.

William Gao is known for work in acting across film and television. New Release currently presents 13 verified screen credits connected to this profile.

Selected work includes Heartstopper: Ending on a Hi (2026), Heartstopper (2022), Becoming Capa, Later... with Jools Holland (1992), Heartstopper Forever (2026), Heartstopper: The Official Podcast (2024), Heartstopper Forever: The Official Podcast (2026), Breakwater (2025). The recorded credits span 1992 to 2026, including 9 movies and 4 TV shows.

The filmography below lists available titles, release years and known roles. This profile is updated as additional verified information becomes available.