Natasha Dervill O'Keeffe (born 1 December 1986 in Brighton) is a British stage, television and movie actress. She is known for her roles as Abbey in the British television series Misfits, Fedora in ITV's television series Jekyll and Hyde, as Emelia Ricoletti in the Sherlock New Year special episode "The Abominable Bride". and as Lizzie Stark in the BBC series Peaky Blinders.
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