It was quite instant that he wanted Harry's approval. Did you notice that? And the children sort of rescued him this time. It's a great turnabout. That's what happens as your children get older. They do things for you, and it's quite shocking when they do.

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.

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.

Believe me, my children have more stamina than a power station.

If you've got a huge Hollywood star in your film, they're getting $32 million, and everyone else gets their bus fare.

The backgrounds in Lord of the Rings are all explained.

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