What worries me at the moment is President Trump and many in his administration are using the same kind of language about winnable [nuclear war and] … - Mick Jackson

It is unthinkable for most people. Nuclear war is so outside your everyday experience it’s hard to get your mind around it. And if you can’t get your mind around it, you can’t talk about it and have a meaningful debate.

He did hate doing it. It was alien to his nature. He reluctantly let himself be drawn into this thing, thinking what he would have done would have been a very passionate politicised scream of emotion, and what he was being pushed into was this box he didn't feel at all comfortable in.

I wanted him to use all his experience and intuition and empathy with people who'd grown up around him in Sheffield and put that into the movie, and I would be [...] the alien force, who was the voice of what science can do, and I would kind of foist these horrible indignities and horrors on these people, and he would try and get them to behave the way they would. So there was an innate conflict in that. We had many shouting matches, really passionate things, totally necessary for doing this.