I was really unfit last year, so I worked out for a long time, then spent time by myself in Oregon. For about two months the only person I saw was my trainer. Every day I did a lot of running and I just didn’t want to talk to anyone for two months. So when I started talking again, it was like you would communicate wrongly, like you wouldn’t really remember how to speak. That was one of the key things as well as just reading the book, reading the script a million times, just figuring things out.

I actually quite like working with kids and I like working with animals, which everybody says you shouldn't do. It makes you feel like you're not acting, as soon as you have someone who's providing stuff to react to.

You really, really feel like you have no control [participating in franchise] . I mean, it's a huge juggernaut, especially when something becomes part of the cultural landscape in a way as well. It's really scary because you get trapped and you get scared of changing, which is the worst thing that can happen if you want to be any kind of artist.

There are too many possibilities, if you can't die. If you're playing a normal human being, there's always that.

I aspire to be Jack Nicholson. I love his every single mannerism. I used to try and be him in virtually everything I did, I don't know why. I watched One Flew Over the Cuckoo's Nest when I was about 13, and I dressed like him. I tried to do his accent. I did everything like him. I think it kind of stuck with me.

Shooting on the street in Brazil - compared to people trying to sneak a picture of something, if you're shooting in the States or Canada - people would literally just try to grab you.

I haven't really decided to be an actor yet! I started doing plays when I was about 15 or 16. I only did it because my dad saw a bunch of pretty girls in a restaurant and he asked them where they came from and they said drama group. He said, 'Son, that is where you need to go.