Sometimes if I stick in a character too much I feel like I might start to get blinkered, because I'm making my decisions too definite.

I always approach film as a fan.

I remember hearing that the spirit was always next to you, so I would always make room in my bed for the spirit ... I'd make room for the teddy bears, Jesus and me. And then I'd wake up in the morning, and I'd squashed 'em all.

There's no point in swanning through and being cool as a breeze in every scene. It's not really that interesting. Even if you're a superhero.

We moved to Ireland when I was two and we settled in Killarney, Co Kerry. Where we were living in Germany is very industrial and very grey and my parents wanted to have countryside around for my sister and I to grow up in.

There's so much going on in the world. There's so much information being thrown at us - so many things are being sold to us, and we're being told how we should appear and how to be more successful, blah, blah, blah. How does that manifest itself? In the pressures, the stress, this need to escape.

I came to Los Angeles and did auditions for television. I made a terrible mess of most of them and I was quite intimidated. I felt very embarrassed and went back to London. I got British television jobs intermittently between the ages of 23 and 27, but it was very patchy.