When you get out onto a glacier that's the size of Northern Ireland and it's so vast, and you're standing on top of it and you can see forever, it's so pure and clear that you can see for miles and miles and miles. You really do think, "Wow, there is a god!" You feel very humbled.

When you read something that good, it's terrifying because you're thinking, "Oh, god, what if I don't get this?"

Did it ever occur to you that there might be more than one alternative?

A lot of the time, because of the polar bears you're not allowed to go outside the door without your hunting rifle, even if it's to go to the local shop. The polar bears will come from nowhere, and you'll be eaten alive.

When you're working with really good actors, it raises your own game and you get better.

It's a real luxury to be able to develop with your character.

As a writer you see the big picture and how you can tell as one character, how your storyline is going to meet up with all these other storylines. And as an actor you're thinking of all the minutiae, all the very small details.