Actors have to be there and do the work, and that's enough.
You're better off not preparing, because what you prepare will always be wrong.
I have no physical courage, I've asked for a double.
Film is a very young art that is still evolving. Soon, we shall reach a balance between content and technology.
But I never gave up personal things to work, never.
You can express a lot of things, a lot of action without speaking.