Olivia Grant (born 20 September 1983) is an English actress. Her first film role was in Stardust (2007), in which she was cast within weeks of graduating from Oxford University. She is perhaps best known for portraying Lady Adelaide Midwinter in BBC's Lark Rise to Candleford, Grace Darling in BBC3's Personal Affairs, Hermione Roddice in Women in Love, Henrietta Armistead in Garrow's Law and Ava Knox in the HBO/Cinemax co-production Strike Back.