Robbie Coltrane

Ninety percent of people's nightmares is standing in front of 1,000 people. Did you know that? And having to speak. You would have thought it would have been a madman tying you up and taking your eyes out.

When you are new to the business, you think if you give a really bad performance, that's one they will print. You will be judged. You just have to be brave.

See, what you're meant to do when you have a mid-life crisis is buy a fast car, aren't you? Well, I've always had fast cars. It's not that. It's the fear that you're past your best. It's the fear that the stuff you've done in the past is your best work.

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.

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

I had a very bad time with acid. I did that classic thing of looking in the mirror by mistake and seeing the devil. But I took it several times, because you always think that next time you might have the wonderful time that everyone else is having.

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

Nowadays the big Hollywood studios only make about three movies a year, and they cost about $200 million each. There's no room for error in that, and not a lot of room, I would think, for free expression.

I've got two young kids. I don't know what the future holds.