I hadn't really met Colin [Farell]. It's really weird to say: 'Oh, hello, I'm Kate...I'm Colin.. shall we?' That's a bit strange. Len was fine with it. We've gone through this experience with Scott Speedman before on the first Underworld move. It was our little version of swinging. We survived that.

I think people are propelled towards violence, and what propels them is much more interesting than the actual act of violence itself.

I think I'm still trying to find my feet as an actor. And I know it ain't brain surgery, but it confuses me and it comes between me and my sleep a lot.

You know. I'll try anything. I'll do anything. I'll explore. Try different takes. All that kind of stuff to do sometimes, to do good performances, but always conducive to having a good time creatively.

You consciously look after yourself, whatever that may be to you, whether it's going out for a few drinks and a bit of dinner, or just hitting the couch and watching TV, or going to the gym or yoga class. Just being aware that there's a potential for you to be in it and respecting wherever you find yourself is good enough.

I remember some of the sets on "Alexander" were extraordinary and it would just take your breath away.

You dream to eat whatever you can and get away with it and then when you're told you have to eat, it loses its fun straight away.