How the Grinch Stole Christmas Trailer - Directed by Ron Howard and starring Jim Carrey, Jeffrey Tambor, Bill Irwin, Clint Howard, Josh Ryan Evans. Inside a snowflake exists the magical land of Whoville. In Whoville, live the Who's, an almost mutated sort of munchkinlike people. All the Who's love Christmas, yet just outside of their beloved Whoville lives the Grinch. The Grinch is a nasty creature that hates Christmas, and plots to steal it away from the Whos which he equally abhors. Yet a small child, Cindy Lou Who, decides to try befriend the Grinch.