Dabney Wharton Coleman (born January 3, 1932) is an American actor best known for roles in the films 9 to 5, Cloak & Dagger, Tootsie, WarGames, You've Got Mail and on TV as Louis "The Commodore" Kaestner in HBO's Boardwalk Empire and the voice of Principal Prickly in the animated series Recess.