When you meet people that you know from other films - as often happens to me, and as tends to happens to you when you're an actor, you constantly meet people that you've seen in other films. But when it's people who've kind of had a seismic effect on your life, it's quite extraordinary.

American audiences tend to be more expressive than British ones.

Being a geek means you never have to play it cool about how much you like something.

Like behind the car or in the pub, to do a scene, a proper nice dramatic scene, it's always a treat. And they're usually shot as one, so you've got a big chunk of dialogue to learn, and you feel like you're working.

That's always important to us, is being truthful. Not guessing, not making any assumptions. Just coming at it with knowledge.

A biological agent, I’ll buy. Some sort of super-virus? Sure, why not. But death? Death is a disability, not a superpower. It’s hard to run with a cold, let alone the most debilitating malady of them all.

Ultimately, we are all products of the experiences we have and the decisions we make as children, and it remains a peculiar detail of human condition that something as precious as the future is entrusted to us when we possess so little foresight. Perhaps that's what makes hindsight so intriguing. When you're young the future is a blank canvas, but looking back you are always able to see the big picture.