I've said for quite a long time I'd like him to have a different haircut. I quite like my hair being short. You know, we've been away two years, let's f*** around with his outfit, let's f*** around with his haircut, let's do something different.

[on BBC's Sherlock] It's a rare challenge, both for the audience and an actor, to take part in something with this level of intelligence and wit. You have to really enjoy it. It's a form of mental and physical gymnastics.

If I'm playing someone who's smart, suddenly every character I've played is smart. If I'm playing a bad guy, every character is a bad guy. I suppose it's that thing where people want to see a through-line to understand you. I mean, you know, I have played pretty ordinary people too.

When you start getting jobs, and see your mates from drama school, you don't really want to talk about it, because you have this innate sense of guilt that it's not fair that others aren't doing exactly what you're doing. I do have that.

I am shortsighted. I need glasses for watching movies or concerts. It's not a hipster affectation; I do have poor eyesight. This is how ridiculous my life is: I've had the test for contact lenses, but I haven't found a half-day where I can go to the optician.

Live a life less ordinary.

I have an appetite for the normal in my life, as well as the abnormal.