I think people are drawn to characters that break the rules. I think there is something about a good person doing bad things for what they consider to be a good reason. Then the battle is on to almost prove to the audience that it's justified. How far can you go with that? How far can that character go before people won't accept it? Trying to walk to edge of that line is a challenge.

[The film Woman Walks Ahead] is from a long time ago. I wrote that ages ago. It looks gorgeous and Jessica [Chastain] is so good that I've got high hopes.

The story [of Allied] stayed with me, like a stray dog outside the office, waiting.

[Taboo] has been exactly the same as working with the BBC in that creatively they do that precious thing which is to only make a comment when a comment needs to be made.

I spoke to Tom's [Hardy] manager and said, "While we're talking about Taboo, do you mind if I also mention this film project that I've got, which is called Locke, and I need Tom to play the lead." And we spoke about both in that meeting and in the end the deal was that I would do Taboo if he did Locke and vice versa.

I find the best way to make things real is to just put two characters into a space and let them talk to each other in the way that they would talk to each other, and then see what they would say. I know it sounds weird, but that leads the plot and takes you in another direction.

I like to create a character where you believe, deep down, that they don't really care if they live or die. That's very liberating for the character because, if the character is prepared to die, then they can do anything. It's impossible to stop them.