I am a bit evangelical, I know, but performance-capture is still misunderstood.

I've always thought of acting as a tool to change society. I watch a lot of actors and I see panic in their eyes because they don't know why they act and I know why I act. Whether I'm a good or a bad actor, I know why I do it.

In 'Tintin,' it's like a live-action role. You're living and breathing and making decisions for that character from page 1 to page 120, the whole emotional arc. In an animated movie, it's a committee decision. There are 50 people creating that character. You're responsible for a small part.

Hoodwink is a product of his environment. He grew up in Belfast, he was part of the UDA and he fought for what he believed in - or was brainwashed into believing - because of the people that surrounded him.

After 'Kong,' my knuckles have never recovered because I had to wear very heavy weights on my forearms and around my hips and ankles to get the sense of size and scale of the movement of the character You are telling your body that you are these things and that you're feeling these thoughts and that you're experiencing these experiences.

I'd already started directing short films when we were doing 'Lord of the Rings,' then videogame projects. So Peter's known that I've been heading towards directing for a long time. But I always thought my first outing would be a couple of people and a digital camera in the back streets of London somewhere!

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.