I've had pretty much the same crew for all the films that I've made, and I've managed to have really nice, calm, funny people. That is a big part of it, a family feeling of warmth and finding something interesting and making a platform for them to perform. It's a very difficult job, acting, in that it's totally counterintuitive to how we are brought up.

Doctor Who is pretty dark, I think. Generally its dark; its always been dark.

I'm very superstitious about going on other people's sets. You have to ask permission of the director; you shouldn't just turn up and skulk about in the background. It's very rude. You have to ask them personally. It's like a vampire being invited into a house.

I like that confusion when people are speaking in the same language but still can't understand each other. It's also usually my experience of being in America - when I speak no one can understand what I'm saying.

It's part of developing the whole state of how cinema is; everyone is looking out and engaged rather than it being just a financial thing or sitting back, waiting for scripts to turn up.

If I'd been offered 'Spider-Man,' I probably would have done it. I don't think it's bad to go and do those things.

I genuinely try to make movies I'd want to go and see, movies that are a bit more challenging.