Until she was cast opposite Daniel Craig in James Bond's 23rd outing, the pretty Londoner could easily have gone unnoticed on the underground – even when sitting right underneath a poster for one of her productions.
That's despite Danny Boyle, the director of her breakthrough film 28 Days Later, describing her as "phenomenally talented".
"She lights up the screen. Your eyes just go to her. It’s something to do with her relationship with the camera," added the British filmmaker, who cast her in the 2002 post-apocalyptic zombie thriller.
Born in North London, the only child of TV writer and single mum Liselle Kayle, who had her aged 18, she joined a children's drama club and soon landed a role in kids' series Simon And The Witch.