Sekou Mark Diaby is an English actor. On television, he starred in the BBC Three series Boarders (2024–2026). His films include Animol (2026).
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Early life
Diaby is from South London and of mixed heritage. Diaby attended the BRIT School. He also joined the National Youth Dance Company.
Career
Diaby made his television debut in 2024 when he began starring as Toby Staithes in the BBC Three teen comedy-drama Boarders. His performance received critical acclaim, and Diaby was nominated for Breakthrough Performance at the 2025 Edinburgh International Television Festival.
Also in 2025, Diaby made his feature film debut as Zach in the Amazon Prime film My Fault: London, starred in the music video for "Illegal" by PinkPantheress, and appeared in the BBC Three miniseries What It Feels Like for a Girl as Rinze. He next played Dion in the 2026 film Animol.
