Sarah Niles is a British film, television and theatre actress. Niles has appeared mainly in theatre productions, however she is most famous for portraying Reba Parkinson in the BBC television series Beautiful People. Niles has also had roles in various high-profile television shows such as Doctor Who, where she played Node 1 in "Silence in the Library". Additionally, Niles had a role in the 2008 film Happy-Go-Lucky, directed by Mike Leigh. Niles can perform using various accents and can sing.