Gemma Arterton performed in the 2010 film Clash of the Titans.
Clash of the Titans is a 2010 British-American fantasy adventure film and remake of the 1981 film of the same name produced by MGM ( the rights to which had been acquired by Warner Bros. in 1996 ) . Gemma Arterton . She is known for her roles in the fantasy films Clash of the Titans ( 2010 ) , Prince of Persia : The Sands of Time ( 2010 ) , Byzantium ( 2013 ) and as the character Gretel in Hansel and Gretel : Witch Hunters ( 2013 ) .