I think what makes a good actor's director is the same thing that makes a good director. Acting is just one of the trades necessary to make a movie.
“It's always been a gift with me, hearing music the way I do. I don't know where it comes from, it's just there and I don't question it.”
“That is the way a great master carpenter feels, or an architect or composer or anyone who creates anything - people want to be appreciated for what they have done.”