It was this feeling the whole time like I shouldn't be here among all these stars and professionals. I was trying to keep my distance because I wanted to watch everyone. But they want you to feel at home and be part of it, and it became normal very quickly.

One week I was in school and the next I'm at Leavesden Studios in Dumbledore's office reading scenes with Daniel Radcliffe. Weird. And terrifying for such a huge 'Harry Potter' fan

Drawing on the experience I have of now directing, to me, my one strength that I know is my ability to communicate with actors and therefore make characters really important.

It was this feeling the whole time like I shouldn't be here among all these stars and professionals. I was trying to keep my distance because I wanted to watch everyone. But they want you to feel at home and be part of it, and it became normal very quickly.

It calmed me down to see that most of the time no-one gets the scene on the first take.

I think there are a lot of writers that can get away with not being gifted with words.

I don't want to know what they think of me - there's always going to be someone who won't like it and that'll just upset me. So, if I'm happy with it, it just matters if I've done my little vision.