I was a mixture of being incredibly old for my age and incredibly backwards. I was born quite old, but then I stopped growing. I lived with my mum and dad till I was 30.

What I loved about playing the corpse is that obviously somebody else got to do the physical part. It appeals to the part of me that likes playing character parts and getting the chance to get away from my own physicality.

J.K. Rowling said Bellatrix's role was going to be significant in the last one, when I showed some reluctance in playing a tiny bit part. Up front, they said, 'You're very significant in the last one.' But significant could mean a lot of things. That could just mean a significant plot point. Doesn't necessarily equal big part.

That's the thing with animated films - I often feel that puppets get the better parts compared to us normal actresses.

I've never had white teeth. To be honest, I've never been told to do any of those horrible things - get your teeth whitened or your nose straightened.

The problems come when your personal life and relationships come under scrutiny in the press and often very uncomplimentary things are printed about you.

Multitasking? I can't even do two things at once. I can't even do one thing at once.