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.

The building of America has had its fair share of mistakes, but it's a constitution that's the jewel of democracy, the envy of many, and it's the most generous nation in the world.

At 23 it was all about acting. Today it's getting my kids to school, making sure that they've done their homework. I'm in my fifties, and I'm turning into a square.

By the way, the Harry Potter series is literature, in spite of what some people might say. The way J.K. Rowling worked that world out is quite something.

'Nil By Mouth' was a bit autobiographical, but as I always pointed out at the time, that's not my dad.

And costume is so important for an actor. It absolutely helps to get into character; it's the closest thing to you, it touches you. Some actors like to go into make-up and then put their clothes on, but I like to dress first; that's my routine.

I don't see a great difference between someone sending a robot or a drone to bomb people and controlling it on a PlayStation from another country. It's thousands of miles away as opposed to someone in an airplane who is thousands of feet away releasing a bomb.