The hardest part of directing is the choosing. Unlike an actor who can do a variety of work, it is a year of your life, you can't afford to get it wrong. ↗
Those who produce should have, but we know that those who produce the most - that is, those who work hardest, and at the most difficult and most menial tasks, have the least. ↗
But I just know from experience that accent wise, even if you're an accent genius, crossing the Atlantic is the hardest thing in the world either way. ↗