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.

Being a good director is knowing sometimes when not to say something.

I don't go to premieres. I don't go to parties. I don't covet the Oscar. I don't want any of that. I don't go out. I just have dinner at home every night with my kids. Being famous, that's a whole other career. And I haven't got any energy for it.

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.

You choose your friends by their character and your socks by their color.

Political correctness has become a straightjacket.

It's always hard when you're playing someone for a lot of people out there who are going to see the movie after reading the books. There's a communion between a reader and the writer, so people will have an idea who Sirius Black is and I might not be everyone's idea of that.