[Role of Dr.Strange] gives me an excuse as an actor to be learning with my character, which is something you can do authentically - I'm not a martial arts expert, I'm certainly no sorcerer, so all these things, the movement of the body, the physicality, the changes he goes through mentally and physically, obviously we're not shooting in sequence, but it's a great part.

Conan Doyle is amazing in the way he has Watson describe Sherlock’s posture, mood swings, his hand gestures, and so forth in the novels.

When are you ever settled enough to have kids?

The further you get away from yourself, the more challenging it is. Not to be in your comfort zone is great fun.

I don't call myself an expert because I've played experts. I know a little bit about very little. But it's very hard to not be drawn into saying something, especially if it has to do with the work.

The generation now below me were born into a world where if you're a kid with raw talent now, you can roll in and land a lead in a Scorsese film. You don't have to have prove yourself by working up the ranks, doing the classics, and getting the canon under your belt in the way the great Sirs and Dames of mom and dad's generation - the [Ben] Kingsleys and [Helen] Mirrens and [Anthony] Hopkinses and people of that ilk.

My own grandfathers were a submarine commander and a 'desert rats' tank operator in the Second World War.