[6] Graham made her television debut with a recurring role in season 3 of The Sparticle Mystery.
In December 2018,[7] she landed her first major role as Iona in the 2020 Netflix fantasy series The Letter for the King, an adaptation of the classic Dutch book by Tonke Dragt.
[10] In the meantime, she played Hanmei Collins in the Sky One action series Curfew, and Kat in the BBC One comedy-drama miniseries Us.
[13][14] In 2022, Graham was in the main cast of the Virgin Media One and ITV crime drama Redemption as Siobhán Wilson and began starring as Vivian Lim opposite Oscar Kennedy and Jack Rowan in the BBC Three horror comedy Wreck.
She joined the cast of the Netflix comedy-drama Sex Education for its fourth season playing the character "O".