Gemma Christina Arterton (born 2 February 1986) is an English actress. She is best known for her roles in St Trinian’s (2007), Quantum of Solace (2008), Clash of the Titans (2010), Prince of Persia: The Sands of Time (2010), Hansel and Gretel: Witch Hunters (2013), and Byzantium (2013).