Played maidservant-turned-queen Guinevere "Gwen" Pendragon on the BBC fantasy series Merlin. She also appeared on the series Vincent.
She had a small role on Doctor Who, playing a friend of Madame De Pompodour.
She was oldest of the main cast of Merlin, with her on-screen husband, played by Bradley James, being three years her junior.
She grew up with family in north London, England, moving later to Edinburgh to study acting.
Colin Morgan co-starred with her on Merlin, playing the title role.