"I was delighted to work with Kit," he said. "I've met him a few times, and Gunpowder is his idea, actually. He's descended from Robert Catesby, the character he plays. His middle name, in fact, is Catesby. We had a lovely time, but actually not very much together, because he is plotting it, and I'm uncovering it. Obviously, the two don't really meet much."