Myles was born in London. She is the daughter of Jane, who works in educational publishing, and Peter Myles, a retired Anglicanvicar in Isleworth, West London.3 Her maternal grandmother was Russian.4 She grew up in Notting Hill, where her father served at the church of St. George the Martyr, and she attended Fox Primary School. At the age of eleven, Myles moved with her family to Isleworth and attended The Green School. Following success at her A-levels, she had been planning to accept a conditional place to study philosophy at Cambridge, but chose to pursue an acting career after being spotted by Julian Fellowes in a school play.4
Career
Since 1996, Myles has appeared in a number of both American and British films and television productions. In 2001, she got a small role as Johnny Depp's wife, Victoria Abberline, in the thriller film From Hell. She had a supporting role in the 2003 film Underworld and in sequel Underworld: Evolution (in a brief flashback scene). In 2003, she played the schoolgirl lead in the thriller Out of Bounds and she also played Lady Penelope in the Thunderbirds. In 2006, Myles co-starred with actor James Franco in the romantic drama Tristan and Isolde, playing the role of Isolde.
She was cast in the CBS supernatural television drama, Moonlight. 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.
^ Sophia says her own name at the start of the video commentary for "The Girl in the Fireplace" in the DVD collection Doctor Who: The Complete Second Series.