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 was an instinct to put the world in order that powered her mending split infinitives and snipping off dangling participles, smoothing away the knots and bumps until the prose before her took on a sheen, like perfect caramel.”
“I grew up a vegetarian. Then, because I grew up in the states, I started slowly eating meat. First it was bologna sandwiches, or pepperoni on pizza.”