I was gearing up for it. I took some singing lessons. And I opened my mouth, and Atom promptly said, 'That's not going to happen. We love your voice, but maybe we could use some of your English wit.' He had doubts about it from way back. For starters, we weren't going to be doing the Italian-American crooning thing.

But this is where you get all the market research and things get in danger of becoming formulaic, and where you depend on brands and getting recognised actors. It's the thing that precludes risk very often, otherwise everyone would be avant-garde all over the place.

It's a funny thing - the reality is I have no feelings about school. It's long gone. Funnily enough, the bad memories - of which I don't have any left to be honest, I can just remember a sense of tedium - have faded. And teachers that I liked have remained quite vivid. There are three or four left.

I can't bring you absolute truth in the detailed factual sense. All I can do is bring you an interpretation as I understand it. That's all you can ever get from an actor.

And that is a hard route for a woman to come through. There's still a lot of roles that have to be conformed to. It's quite an old fashioned environment in a lot of ways.

I work with the options I have in front of me and my reasons for choosing a job can vary enormously depending on the circumstances. Sometimes I take a job because it's a group of people I'm dying to work with, and sometimes it can be a desire to shake things up a bit and not to take myself too seriously.

When I visited coffee farms in Ethiopia, the farmers could not believe we spend a week's wages in their country on a cup of coffee in ours, because they see so little of the profits. Oxfam's fair trade campaign helps right this wrong.