My dad's got a brilliant eye for scripts 'cos he's a literary agent. He and my agent read a load of scripts and filter them.

Everyone on the set has a mobile phone, and I found by pushing a few buttons, they could be programmed into different languages. I fixed Robbie's Coltrane to speak in Turkish.

The happiest I ever am is spending time with a group of really good friends. That's all I aspire to in life, really.

Some actresses are just insane. I've never worked with a nasty actress - they're all absolutely delightful. But completely barking.

The idea the actors are the most important people on a film set I think is very stupid. Actors are the most replaceable people there. There are literally millions of us. There's very few people that can operate a steady-cam. The numbers are a lot, lot fewer for that, you know?

I was having a hard time at school, in terms of being crap at everything, with no discernible talent.

Being in Harry Potter is like being in the Mafia. Once you are in, you are never really out.