In Matthew Vaughn's 'Kick-Ass' Chloe Moretz plays Mindy Macready/Hit Girl; by day an 11-year-old, by night a costumed killer with her vigilante father Damon aka Big Daddy (Nicolas Cage). She talks to Harry Guerin about getting the part, doing the stunts and her upcoming role in the US remake of the vampire movie 'Let the Right One In'.

Watch the interview.