Of course there's a value in a storyboard if you do a big - let's say an action movie and actors have to move and act in front of a green screen because entire backgrounds exploding and cars flying through there have to be created separately, and in this case you better make sure the actors are precisely placed and the background action is moving in a certain moment, for this type of film you would need a storyboard.
Dear Scarlett! You aren't helpless. Anyone as selfish and determined as you are is never helpless. God help the Yankees if they should get you. " -Rhett Butler