Garry Shandling was an actor's actor. He really cares about the performance. It was really interesting to watch him talk about motives and motivation and stuff. He really knows the craft.

I'm just a husband waltzing in the background.

With a contained environment, there is the promise of friction. And that is where the drama comes from.

If you don't pay attention and if your imagination isn't pretty much engaged, you're going to miss things and you're going to miss opportunities for it to be as compelling and as creepy as it can be.

Animals... don't have a sense of time. You just have to do things over and over with animals until they happen to do it right because they don't really know what you want.

It's just like any relationship, the more contained the environment, the more the good stuff appears and the more the bad stuff will reveal itself.

We improv-ed scenes that didn't happen in the movie. We improv-ed the scenes that are written in the movie without the dialogue as written. We played around a lot to try and figure out just how we could flow with what was already written in the story and how we could highlight those imbalances and those points at which we came to loggerheads.