Laura Donnelly (born 20 August 1982) is a Northern Irish actress. She made her on-screen debut in 2005 in the Channel 4 drama Sugar Rush, where she featured as a love interest of the female protagonist in two episodes. She is also known for appearing in Casualty, Hex, and as a main character in the Irish film Insatiable (2008). She also starred in Best: His Mother's Son, a BBC drama on the life of George Best, playing Best's sister, Barbara. She starred in Jez Butterworth's play, The River at the Royal Court Theatre, alongside Dominic West and Miranda Raison. She reprised her role in the Broadway production alongside Hugh Jackman.