I suppose my mega heroes are the films of Michael Powell and Sam Peckinpah. I would have loved to have looked over their shoulder. I’m a bit of a cin… - Olly Blackburn

I think when you’re shooting on such a tight budget and schedule, the insanity and the energy and the sense of spirit is what makes the experience unique. Ten percent more isn’t going to make enough of a difference and anything that would — double the budget, triple the time — then you’re making a different kind of film.

And for the genre stuff I'm a big fan of Carpenter, Romero, Peckinpah, and Polanski, because they're unremitting and real and brilliant at showing characters under unbearable stress and unafraid of challenging us with uncomfortable truths as well as being just incredible filmmakers.

The film is about what happens when real people do ghastly things to each other, and sure, it shows those things because that's the tone of the film — fairly realistic.