Never apologize for being nerdy.

I trust the [series] writers when I'm filming, because it's interesting for me to go in every week and see what's going to happen, and the challenge for me as the actor is to make it work.

What I can say that's different in American television… in Britain, they wouldn't cancel something after a couple of episodes. In the States they would. They would just decide it's not working, take it off and put something else in on the fall schedule.

You know, every year 'Torchwood' has become something a little different than it was before. It's still sci-fi, but it doesn't just deal with spaceships and aliens all the time, because we've done that. Our science fiction is more psychological.

Never apologize for being nerdy.

Desperate Housewives' was a good experience, though, as I got to play the bad guy for once. My only complaint was they had me in a lot of sweaters.

It wasn't until I got involved in Doctor Who that I started doing dramas on television.