After graduating from Guildford School of Acting, Harriet Slater began her career in theatre, making her professional debut in The Man with the Hammer at Theatre Royal Plymouth and performing with The Royal Shakespeare Company.

The Leicester-born actress has appeared in DC Comics’s series Pennyworth, the latest Indiana Jones instalment, and starred as the lead in Julian Fellowes’s period drama Belgravia: The Next Chapter. She's also been announced as one of the leads in Outlander prequel series Blood Of My Blood, expected to debut in 2025.