Art, as far as it is able, follows nature, as a pupil imitates his master; thus your art must be, as it were, God's grandchild.
There is the danger of over preparation, of loss of spontaneity; over rehearsal is the most terrible thing you can imagine. We do have a very close association between costume and set designer, though. And the cameraman is very important, of course.
Social security, bank account, and credit card numbers aren't just data. In the wrong hands they can wipe out someone's life savings, wreck their credit and cause financial ruin.