meet Aaron Taylor-Johnson in a drably functional dressing room at Pinewood Studios at the end of his working day. Wearing a grimy grey sweatshirt and matching baggy shorts, he looks more like a skateboarder than a film star. He has just finished filming some action sequences for Kick-Ass 2: Balls to the Wall, in which he reprises his role as Dave Lizewski, real-life superhero, in the sequel to the Matthew Vaughn-directed cult movie Kick-Ass. "I'm sorry I'm so grubby," he says, reaching for a towel. "I've just spent the day being thrown about a lot.