People think, 'Oh, well how can 'The Hobbit,' which is one book, become three films?' But you can take one line from an appendice and it turns into a whole sequence.

Performance capture is a genre of acting which is not going to go away, it's going to proliferate more and more. I'm passionate about it, and I love it. It's the most liberating tool an actor has, because you are not limited by your own physicality, look, or color of your eyes.

In terms of animation, animators are actors as well. They are fantastic actors. They have to draw from how they feel emotionally about the beat of a scene that they're working on. They work collaboratively.

On lower budget things you're still working collaboratively, but the investment and your level of creative importance is higher on something like this.

Gorillas are still wild creatures. That's made very clear when you observe them in nature. They charge and perform other displays that are terrifying by design. But they don't attack unless they feel threatened.

People are mystified by it and so they kind of think, the acting community thinks they're gonna be replaced by CG characters and animators think they're gonna be replaced by performance capture (and) a lot of directors, particularly European directors, who have no experience of it.

I've done a fair amount of that stuff... when we did 'Lord of the Rings' the transformation sequence from Smeagol to Gollum was a 19-hour make-up job. You have to have a kind of zen button that you press and allow the mind to be focused in a certain way.