For ages, in my lunch hours, I would just go round and choreograph fight scenes. For fun. So now I'm very good at being thrown around. I bounce, in the words of my friends.

The sixth Harry Potter film - I don't like my performance in that film at all.

I'm 5-foot-5, and I'll wear a big parka and put the hood up, and nobody gives me a second glance.

Because of the life I've had, I'd grown up quicker than most people.

Maybe it's a compliment to the film that you can't do that with it, that it can't be explained in 15 seconds.

The one piece of advice I would give to any actor is, if you want to go out on the street without being recognised, without even being looked at, go out with a 6ft 8in beautiful transsexual. No one gives you a second glance. Especially when you're 5ft 5in.

I am very critical! I hate watching myself but I know I have to because I'm going to be asked so I need to have some sort of semblance of what the films with me are like. But it's not an enjoyable experience watching yourself. I hate it less than I used to but I still don't enjoy it.