It's a combination of yes - making a movie about the characters - and then, also, budget.

That's what's interesting about people. It can be funny, but when [John] Travolta got there and did [comic moments] you're like, "Oh! This is really funny." Or when Karen [Gillan] and Taissa [Farmiga] do something, I'm like, "This came out so much funnier."

Ethan [Hawke] just - they got along great. He got to act with a dog, for real, and it felt like Jumpy was acting with him. It was a surreal thing to watch. When you watch the movie [Valley of Violence], you just kind of accept it. But if you do think about how we show - there's a dog and a movie star interacting - and you buy it. That's crazy.

You're limited to one image, but you can have 50 audio tracks. It's something you'd be foolish not to experiment with. So I'm also very interested in sound that happens offscreen. I think that's a way to expand the scope of the movie. And it's all very planned out from the script stage. For me, sound design is a major part of the narrative. I think that's what makes working with certain people on the producer level difficult.

Really, I wanted to make a movie [Valley Of Violence] about: How does violence affect people? This is a take from me on how violence affects people.

It definitely could have been a horror story [Valley of Violence], oh my God, if the dog was impossible. So could the horses.

I wrote [Valley of Violence] entirely with James Ransone in mind. I get such a joy out of watching his performance and seeing people watch this. He's so great. The bravado thing and the foolishness, he does them both so well. It's weird because he's so hateable in the movie, but in the end, you're also going, "I feel bad for him." That's hard to do. It's hard to do that to where you're like, "This guy's the worst, but I know why he's the worst, so it's a shame this is happening." That's the whole thing.