We've all used the phrase "Oh, it's that guy. The one from that other thing." We all recognize them. They appear in dozens of movies and countless television shows, but no one ever bothers to learn their names. Sixteen actors detail their ups and downs as they struggle to forge careers in the world's most cutthroat environment - Hollywood. They've played cops, lawyers, bosses, best friends, psychopaths, politicians and everything in between. Now you'll know who they are after watching this Showtime documentary.