Fashion choices are never arbitrary. Even if you say you don't care, that's a decision. There's something you're trying to say.

The key is working with great directors. A film is so many different people and all their talents, but particularly the directors, because of the idiosyncrasies of that person.

Acting has always existed alongside my normal life. It's been a case of learning on the job. I've worked in so many styles, with so many people, so I've picked bits up from everyone and everything.

As a child, I always liked dressing up and getting into character, and actors are lucky in being able to retain that playfulness, though we do seem to find it hard to grow up.

The British vice is overthinking before we speak, which is really annoying. I love the way that, in America, people are more straightforward. The American vice would be sometimes speaking too loudly. You can always hear American people on the trains!

I made a film called "The Theory of Everything," which is based on Jane Hawing, who was married to Stephen Hawking - it's based on her book about their relationship.That's what the film will be about - they were both incredible, strong, willful individuals and I feel like that Stephen Hawking himself would say that he wouldn't have survived without the influence of Jane Hawking, and they were an incredible team together.

I've never taken a role where I don't like a person on the page. Sometimes there are changes that need to be made.