Before Die Hard, many serious thespians might have rolled their eyes at playing of a crazed terrorist in an action picture. After Die Hard, they wisely recognized it was an opportunity to steal every scene. Alan Rickman was more than a villain, though. He was wonderful at drawing room comedies, in romances and tweaking sci-fi in the cult masterpiece Galaxy Quest. Good Lord, would Tumblr even exist without Severus Snape?
Should Have Won For: By Grabthar's Hammer, it should have been Galaxy Quest.
Maybe This Is All Punishment For: Kevin Smith's Dogma.