Here's who's sitting down on the couch on the late night shows tonight.

• Charlie Rose: Alan Greenspan
• The Daily Show: President Bill Clinton
• The Colbert Report: Jeffrey Toobin
• The Late Show With David Letterman: Seth Rogen, Senator Joe Biden, and Gogol Bordello (repeat)
• Jay Leno: Jessica Alba, D.L. Hughley, and Cold War Kids
• Jimmy Kimmel Live: Dane Cook, K.T. Tunstall, and Samaire Armstrong
• Tavis Smiley: Junot Diaz
• Late Night With Conan O'Brien: Terrence Howard and Mystery
• The Late, Late Show With Craig Ferguson: James Woods and Ben Lee
• Last Call With Carson Daly: Oliver Hudson