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.
[1] Her screen debut came in 2008, in Doctor Who,[1] episode "The Stolen Earth",[1] and the same year she was cast in a lead role in the ITV drama Whatever It Takes.
[1] In 2009, she played Ruth, an old woman restored temporarily to her younger self by a peculiar thunder storm, in E4's superhero comedy-drama Misfits.
[2] In 2011 she played Lucy in "The Entire History of You", an episode of the anthology series Black Mirror created by Charlie Brooker.
[3] In 2013, she appeared as Rosemary in the Norwegian comedy-gangster television series Lilyhammer, alongside Steve van Zandt.