Do whatever you're directed to do, and leave the rest of that technical stuff up to the director.
“I have many times asked myself whether there can be more potent advocates of peace upon earth through the years to come than this massed multitude of silent witnesses to the desolation of war.”
“In a way, we are magicians. We are alchemists, sorcerers and wizards. We are a very strange bunch. But there is great fun in being a wizard.”