Jay Leno
Self - Host (221 eps)
Steve Irwin
Self (2 eps)
Robin Williams
Himself (2 eps)
Martin Short
Self (2 eps)
Matthew Perry
Self (2 eps)
Shaggy
Self (2 eps)
Geraldo Rivera
Self (2 eps)
Beck
Self - Guest (2 eps)
Terry Bradshaw
Self (2 eps)
Amanda Bynes
Herself (1 eps)
Jennifer Love Hewitt
Self (1 eps)
Hilary Swank
Self (1 eps)
Vanessa Carlton
Self (1 eps)
Martin Scorsese
Self - Guest (1 eps)
Kelly Rowland
Self (1 eps)
Elton John
Self - Guest (1 eps)
Mel Gibson
Self (1 eps)
Beyoncé
Self - Guest (1 eps)
Elvis Costello
Self - Musical Guest (1 eps)
Ralph Stanley
Self - Musical Guest (1 eps)
Bryan Ferry
Self (1 eps)
Dolly Parton
Self - Guest (1 eps)
Tony Siragusa
Self (1 eps)
Tim McGraw
Self (1 eps)
Brian Setzer
Self (1 eps)
Avril Lavigne
Self (1 eps)
Shia LaBeouf
Self (1 eps)
Solomon Burke
Himself (1 eps)
Heidi Klum
Self (1 eps)
Molly Shannon
Self (1 eps)
Rosie Perez
Herself (1 eps)
D.L. Hughley
Self (1 eps)
Will Ferrell
Self (1 eps)
Rob Schneider
Self (1 eps)
Matthew McConaughey
Himself (1 eps)
Hilary Duff
Self (1 eps)
Jesse Malin
Himself - Musical Guest (1 eps)
Ruben Studdard
Himself (1 eps)
