It's hard enough to be an actor under any circumstances -- the unending rejection, insane competiveness, constant scrutiny. Then, of course, there's the work itself -- which often gets overlooked amid all the public fascination with those who choose this particular career path. The ones with the "dream" careers -- Meryl Streep, Johnny Depp, Brad Pitt -- spent years dealing with all kinds of personal and professional crucibles, navigating these landmines on the way to top-of-the-ladder success.