Well, I think people don't recognise my face because I'm so much older now, but it is astonishing that people can recognise a voice. I do sometimes get recognised, and indeed a lot of people do come and see me.

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

I was never really happy until I became 'Doctor Who'.

Some Christmas tree ornaments do more than glitter and glow, they represent a gift of love given a long time ago

I'm the only man in London that 'Don't talk to strange men' doesn't apply to.

We are pre-disposed for fantasy, there is a natural impulse for human beings to want to get off their heads or out of their heads in something in a substance or a drink or an idea or a religion which will comfort them and make life exciting.

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!