The interesting thing about Hain is that he's not a very interesting character. He's not fabulously clever. He's not a great policeman. He's not hugely charismatic. I'd describe him as a kind-of Chekhovian character. He's an ordinary bloke, to whom extraordinary things have happened. Which is quite hard to play, I have to say.

Once you've been doing anything for twenty-five years people start to notice you.

That's the trouble with anything which essentially has a lot of bits that are physically impossible: You're left, stuck, in the studio. And that's a shame. You're making a movie. You don't want it to stay put, you want it to be a movie - to move.

It's like going back to school. You know, autumn! Time for 'Harry Potter'.

I've already felt that I want to direct. Being an executive producer is like the best job in the world because you make all these executive decisions and then you leave the money to other people. You don't have to be on set and counting beans.

I've driven all through America and I know there are a lot of clever people between the coasts. But they have a slightly old-fashioned view of the world. Whereas New York is one of the most multicultural, multiracial, tolerant places on Earth.

My dad? He died when I was 19, which is a bad time for your dad to die, because there's an awful lot of things you have to resolve with your parents past your teens if you've been a difficult teenager.