Sophia Jane Myles is an English actress, best known in film for portraying Erika in Underworld, Lady Penelope Creighton-Ward in the live-action Thunderbirds film, Isolde in Tristan and Isolde and Darcy in Transformers: Age of Extinction, and has received critical acclaim for her television work, particularly as Madame de Pompadour in the Doctor Who episode "The Girl in the Fireplace" and Beth Tur...