Who's On What Tonight? Your Guide to Late Night TV (Thursday, May 24, 2012)

CONAN O'BRIEN: Men in Black III's Josh Brolin, Community's Alison Brie, music group White Rabbits
DAVID LETTERMAN: REPEAT
JAY LENO: Damages' Glenn Close, winner of American Idol, musician Nelly Furtado
JIMMY KIMMEL: Snow White and the Huntsman's Charlize Theron, boxer Manny Pacquiao, music group Grafitti6
JIMMY FALLON: The Fresh Prince of Bel-Air's Will Smith, Hatfields and McCoy's Bill Paxton, Stone Gossard & Shawn Smith
CRAIG FERGUSON: Actor Alfred Molina, musician Sara Watkins