One of the biggest changes for me on a practical level of shooting the film was having a second unit.

And as a first time director I needed to work with someone that I felt comfortable with, and that I could get along with. It was a perfect match [with Sam Rockwell]; I am so thrilled I got to work with him. He is a really nice and incredible guy.

My biggest difference with our film and those kinds of science fiction films is that they are going from one special effect set piece to the next, what we were doing was more of a character study. And I think that is the freedom that you get by doing an Indie film. You can only really do that with a lower budget. So I understand where the conflict is between those two priorities.

I'm not Akira Kurosawa. He used to write...He used to write a completely new spec script over a couple of nights. I'm not like that. It takes me a long time to put a film together that I want to make.

I want to do my Blade Runner, which is like a future Berlin film, which is like a thriller, but it's much deeper characters, I think.

I think I was brought up with games and I don't think that they're just Pac-Man or Space Invaders. I think we've moved on, I think that there are stories being told and worlds being explored.

I've worked really hard to build up a career on my own. I turned 30 recently and it took me a long time to get the chance to make a feature film and do it on my own terms.