You can sit next to somebody on the underground, and you can look at them quite intensely, but you can never, ever know what they're wearing under their clothes.

The story, it's really important to The Ancient One that Doctor Strange does cut it because The Ancient One needs a successor, or certainly needs - you could say - a son. So The Ancient One is really invested in Doctor Strange, it's a very kind of primal relationship.

We talked [with Scott Derrickson] about making it kind of muscular and practical. Yeah it's a fantasy but what's the difference between fantasy and reality really?

I follow my nose. It’s as simple as that.

Well you know, the comic strip [Doctor Strange]... yeah, was an Asian man, in fact, a very ancient Tibetan man living on the top of a mountain. The film script that I was given wasn't an Asian man, so I wasn't asked to play an Asian man - I was asked to play an ancient Celtic person.

The last time I did anything like this [special powers] was with the Narnia film with two swords, the same but different.

What children, in fact all of us at any age, find frightening is unreliability and emotional coldness. The idea that you can't affect someone, that you can't see where they're coming from and can change tact at any moment.