Even the cerebral characters I play seem to have physical quirks. They're all "physically inhabited," for lack off a better expression. For instance, Sherlock Holmes has very particular physical gestures which are drawn out in such detail.

I still find to give an interview to be difficult, as any person who deals with the press will tell you. That's why it's nice, with this one, to talk to a friend. But sometimes with a coffee and a friendly smile, I suddenly start talking without thinking about how it's going to be read.

I'm aware of the power of looks. I've wanted to play roles that have gone to much better-looking people and you just think 'Oh well, that's the pin up guy's an actor like my friend James Mcavoy, who's gorgeous on screen. I'm not that. But at least I don't have to worry about taking precious care of my face because it's my commodity. That's a great freedom. I'm not afraid of being heinous for the sake of a part

Laughing and crying are really similar - what happens to your body. It's a very similar process in your diaphragm. Like a musician, you have to do your scales once in a while and warm up your voice.

I actually do mind having a photo taken because it's one o'clock in the morning and I'm off my face.

Being on set is quite difficult, because it's so big and you've got to try and relax, which isn't easy when you know you're in a massive film. I was terrified for quite a long time.

Do I like being thought of as attractive? I don't know anyone on Earth who doesn't, but I do find it funny.