I like action movies, even though I think action movies are kind of derided now. But there is something extraordinary about action movies, which is absolutely linked to the invention of cinema and what cinema is and why we love it.

To force yourself out of the comfort zone, the main ingredient is trying to work in a world where you haven't been before, that you don't know the rules of. And that involves a lot of research, so you begin to see where the other people have been, but you are starting from as vulnerable and as low a point as possible.

I'm not a 'Star Wars' geek.

I've always wanted to do a space movie.

Although computer chips now are thinner, they're more powerful, they're not as reliable. You'd harvest computer chips from the 1980s from all around the world because they're reliable.

Even though one of them is about an Edinburgh junkie and ones a little boy of eight in Manchester, you want them to always portray their world in such a vivid way that the audience can disappear inside the story.

I haven't got anything against films that are about the minutia of relationships or customs, but I love extremes.