Not only don't I know who I am, but I'm very suspicious of people who do know who they are. I am sometimes ten or twelve people a day, and sometimes four or five people an hour!

I'm obsessive about the kind of melodrama of getting through the days and trying to make them good and funny and a happy experience. But my feeling towards the fans is that they delivered me from darkness.

I never read the scripts at all carefully and never wanted to know what was going on, because i felt that being a benevolent alien, that's the way it should be.

Friends are like Lighthouses, with the sources of light coming from their hearts.

Actors are able to trick themselves into treating anything as if it's fantastic. It's a kind of madness really.

I have never described the time I was in Doctor Who as anything except a kind of ecstatic success, but all the rest has been rather a muddle and a disappointment. Compared to Doctor Who, it has been an outrageous failure really - it's so boring.

Plenty of clever children have to pretend to be not clever or else they get bullied by the thick.