I would say that maybe directors who act as well are easier with actors. I'm not saying that all directors have this, but sometimes you'll come across a director who sort of looks at an actor a bit like a kind of untrained horse that's been let out of the stable, like they might buck him.
“I have sometimes been haunted with the idea that it was an imperative duty, knowing what I know, and having seen what I have seen, to do all that lies in my power to show the dangers and the evils of this frightful institution.”