I'm not confident in social situations; just going up to someone in a bar and saying 'Hi' is going to be even more difficult because they won't know the real me. They will just know me as a fictional person I play on the screen.

For brain surgeons it's particularly difficult to deal with failure. It was fascinating to learn about that whole world.

I was very keen to work on the script with Scott Derrickson and [C. Robert] Cargill, and working out the important story beats, changing lines, upping the comedy, changing the pace, all of that was great fun.

One of the fears of having too much work is not having time to observe. And once you get recognised, there is nowhere for you to look any more. You can't sit on a night bus and watch it all happen.

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

If you can't jump on board when the ride's going past that's it, it usually goes by, so the hugest compliment they paid me was to come back to me. It motivated me to try to fulfill their faith.

I have pitfalls. I have emotional responses to things that are really not about me. They're about other people.