It's difficult because nothing's preordained by plan and you can't control it. That's one of those joys and thrills and nerve-racking realities of being an actor. A lot has to do with luck, no matter what your talent or contribution can be.

It was great. I got to hang out with him [Martin Freeman as Bilbo Baggins], and I kept a straight face for a bit and then I started giggling because I know Martin, I don't know Bilbo. For Martin to be sitting there playing Bilbo is amazing. He's going to be amazing, he's going to be fantastic in this film.

There's a heroic amount of effort that goes into making him [Doctor Strange] a superhero by the end of the film.

Even in cerebral roles that are seemingly intelligent and nothing else, I think it's so important to wrap your characterization in a physical form as well.

We look at science as the ultimate answer for everything yet we are really messy organisms and when the two collide in the upper echelons of medicine you think science will prevail but it's not always that way.

Landing the role of Stephen Hawking was the most positively surprising thing that has happened to me.

I don't live beyond my means. I enjoy luxury and I enjoy the privilege of it, when I can afford it, and I'm in the situation where it's been given to me, but I'm very conscious of what is wasteful.