I think expectations of Doctor Who should always be high, because it's a show that must always progress and get better and better.

It seems like there's a real appetite for science fiction in the States.

When you think about it, we’re all different people all through our lives, and that’s okay, that’s good, you’ve got to keep moving so long as you remember all the people that you used to be.

I am terribly clumsy, so there is a plethora of walking into lamp-posts, falling over, dropping things, and ruining sofas.

It's been four years. It's been the best four years. It's been wonderful, it's been a privilege to work under Steven Moffat. But I think when you gotta go, you gotta go It's sad, I'm going to miss it. I'm going to miss Comic-Con as well. It wasn't an easy decision, but I dunno, you can't play it forever. And, look, they'll get someone amazing and brilliant, and that's the great thing about the show. It continues, and it will get bigger and better. And you'll forget about me.

Amy Pond, there's something you'd better understand about me 'cause it's important, and one day your life may depend on it: I am definitely a mad man with a box!

When I write, I'm writing as a fan, and trying to come up with songs that I would want to listen to.