Sophia Jane Myles is an English actress. She is best known in film for portraying Lady Penelope Creighton-Ward in Thunderbirds (2004), Isolde in Tristan & Isolde (2006), Darcy in Transformers: Age of Extinction (2014), Erika in Underworld (2003) and Underworld: Evolution (2006) and Freya in Outlander (2008). She has also starred in the films From Hell (2001), Art School Confidential (2006), Hallam Foe (2007) and The Damned (2013). Myles has also received critical acclaim for her television work, particularly as Madame de Pompadour in the Doctor Who episode "The Girl in the Fireplace" (2006), Beth Turner in Moonlight (2007–2008), Beth Bailey in Spooks (2010) and Rebecca Bishop in A Discovery of Witches (2018–2021). Myles won a BAFTA for Best Actress for her role as Kate in Hallam Foe (2007) and was also nominated for a BIFA at the British Independent Film Awards for the same film. She has also won several other awards at various other film festivals across the world including Best Actress for Two Words (2018) and Best Supporting Actress for November 1st (2019).