So the experts think we could have an AIDS-free generation in Africa by 2015, even if the mothers are positive.

It's really rare for film directors to be that interested in things other than themselves.

It's exciting to be with really, really good people. Some people make you feel like you've got to up your game. Working with good people is always good.

Nowadays people don't know how to handle it if all the ends aren't tied up and they're not told what to think in films. And if they're challenged, they think it's something wrong with the film.

In my first year at drama school, I did this kids' show called 'Let's See.

You'll see Dame Judi Dench in a Bond film, in Shakespeare and then starring in her own sitcom. You never see that here with Meryl Streep.

Sometimes people get really sniffy about the films you choose if you've done more dramatic projects or you're classically trained.