It'll be sad not to be Doctor Who anymore because that's an incredible thing to wake up in the morning and go, 'Oh, I'm still Doctor Who!' And you can go and blow up some monsters, and that's how you spend your day. And also when you walk around people don't see Peter anymore, he's not here, it's Doctor Who they see and he gets many more smiles than I do. It'll be sad to say goodbye.

We had our British background of traditional theatre behind us.

'Doctor Who' belongs to all of us. Everybody makes 'Doctor Who.'

I think the most extraordinary thing about fans is the level of excellence that they show in the work that they do. I mean, if you go onto the internet and see some of the fan videos that have been put together, they're just extraordinary; they could be programmes in their own right.

I'm pretty good for an old geek.

I think acting, oftentimes it's not about lines, it's about spaces in between lines and expressions on people's faces and their relationships. You can tell your own story, or a story that you're interested in, even if the lines don't necessarily point you in that direction.

I'm not an extravagant man. The fact that I can have a coffee out whenever I want still makes me feel grateful.