Sophia Myles (pronounced /soʊ'fаɪə/, born 18 March 1980) is an English film and television actress.
Since 1996, Myles has appeared in a number of both American and English films and television productions. She had a supporting role in the 2003 film Underworld and (in a brief flashback scene) its sequel Underworld: Evolution. In 2004, she played the schoolgirl lead in the thriller Out of Bounds. In 2006, Myles co-starred with actor James Franco in the romantic drama Tristan and Isolde, playing the role of Isolde.
Myles appeared as Madame de Pompadour in a 2006 episode of Doctor Who, "The Girl in the Fireplace". She co-starred opposite English actor Max Minghella, playing his love interest in 2006's quirky comedy Art School Confidential. Also in 2006, Myles appeared in a BBC TV adaptation of Dracula; she played Lucy alongside Marc Warren, David Suchet and Dan Stevens. As of 2007, she is filming Outlander with James Caviezel and Jack Huston.
She was cast in the CBS supernatural television drama, Moonlight, in June 2007 replacing Shannon Lucio. She has received Best Actress in 2007 for her role in Hallam Foe from the British Independent Film Award committee as well as the BAFTA Scotland Award. Her series, Moonlight, won for Best New Drama in the 2007 People's Choice Awards.