Amy Beth Hayes (born 8 October 1982) is a British actress. She is best known for her roles as Kitty in Mr Selfridge; Lucy in "The Entire History of You", an episode of Black Mirror; Ruth in Misfits; Clem in Shameless; Amy in The Syndicate; and Maxine Fox in Sirens. She has also appeared in Doctor Who and Secret Diary of a Call Girl.