Wanting to be a good actor is not good enough. You must want to be a great actor. You just have to have that.

It's a shame about California, and particularly about L.A., where they've demolished so many landmarks. It's a bit of a disease there, where if anything is over 30 years old, they sort of knock it down and replace it. It's a strange town, it's this sprawling suburb, and then there's a city, the old town.

As an actor, you people-watch, you observe. And the more famous you become, the sad thing is you lose the ability to do that. Instead of people-watching, you become the focus of attention.

I drank for about 25 years getting over the loss of my father, and I took the anger out on myself. I did a good job at beating myself up sometimes.

The book tells you everything you need to know. The book is the map of the world that you're in with the character.

Sometimes directors feel like they have to justify that hat that they are wearing they've got on as a director, and they come in and they tweak and interfere.

And of course I've got kids of my own now, and they love me being in the Harry Potter films. I'm now part of a phenomenon. You become incredibly cool to your kids, and you get a young fan base. So you became the cool dad at school. You're suddenly hip.