It's whether they have a vision and whether they're able to communicate it. The best director is just someone who gets over-excited about doing it - they don't even have to know much about camera or acting.
Colin FirthIt's entirely to do with personality, I think. There are good directors who talk a lot, bad directors who talk a lot, and good directors who don't say much and vice-versa. It just depends on whether people respond to that personality and whether people have a willingness to do something for them.
Colin Firth