I really discovered [Dr.Strange] through hearing about this film and first meeting Scott [Derrickson] and getting into it and just opening up and saying, "Okay, this is, like all comics, very much of its era," and my first question was, 'How do you make this film? Why do you make this film now?' and the answers were so enticing that I was like, "I'm in."

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

Marvel always make it fresh so you can give it your personal twist.

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.

Sometimes when you do fight scenes you think, "Oh, I'll be hit in the face," because people get carried away with their vanity and want to look too cool to care, but we were all really careful with each other.

[Sherlock Holmes] has to understand the world. That's very much John's [Watson] influence on him. But like a lot of the friendships and relationships in that world, it's born out of necessity. It makes him better. There's a pragmatism to it. It's not whimsical or sentimental. It's born out of necessity.

I want to be better at staying connected.