I teach for the Book Trust, which promotes reading and writing with children.

The script for 'Infamous' was so poised between tragedy and comedy. It's a dream part. One reads those scripts with a sense of melancholia. When you read a script that good I remember thinking, 'Oh, this script is too good. They'll never give it to me.'

One key element to Hitchcock is the drooping jowl. That was crucial because his silhouette is crucial. There is something about his silhouette that became his brand.

They know you're not Alfred Hitchcock, but you need to be enough Alfred Hitchcock for them not to be bothered by it. That's a reassuring thing.

It's hard to imagine anyone interested in film not being a fan of Alfred Hitchcock because he's such a key influence on the entire history of cinema - it's hard to escape his shadow.

We're blessed with, as we were on 'Harry Potter,' lead actors who are amazingly grounded people.

I work best when a little scared, when there's so much more than the lines to think about.