David Letterman: Bill Murray, Ludacris (R 3/1/10)
Jay Leno: Demi Moore, Rep. Barney Frank, Train
Jimmy Kimmel: Martin Lawrence, Morena Baccarin, Jonathan Tyler & the Northern Lights
Craig Ferguson: Jennifer Love Hewitt, Stuart Neville, Trace Adkins
Jimmy Fallon: Tina Fey, Cliff Bleszinski, Mario Batali
Carson Daly: Nick Kroll, Circa Survive
Tavis Smiley: Annie Leonard, David Frum
Daily Show: David Remnick
Colbert Report: Neil DeGrasse Tyson
Chelsea Lately: Taraji P. Henson, Chris Franjola, Chris Hardwick, Ross Mathews
Lopez Tonight: Zachary Levi, Slash
The View: Edie Falco, Dr. Mehmet Oz, Lisa Oz
Regis and Kelly: Steve Carell, the latest "Dancing With The Stars" castoff
Ellen Degeneres: Martin Lawrence, Cory Monteith
Bonnie Hunt: Annie Wersching, Mo Mandel
Photo Credit: Walter McBride
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