Jay Leno
Self - Host (222 eps)
Jennifer Love Hewitt
Self (4 eps)
Terry Bradshaw
Self (4 eps)
Steve Irwin
Self (3 eps)
Phil McGraw
Self (3 eps)
Terrence Howard
Self (3 eps)
Fiona Apple
Self (2 eps)
John Fogerty
Self (2 eps)
Robin Williams
Himself (2 eps)
Kristen Bell
Herself (2 eps)
Nicole Richie
Self (2 eps)
Lisa Lampanelli
Self (2 eps)
Brian Wilson
Self (2 eps)
Barry Humphries
Dame Edna Everage (2 eps)
Scarlett Johansson
Self (2 eps)
Heidi Klum
Self (2 eps)
Jason Lee
Self (2 eps)
Will Ferrell
Self (2 eps)
Jeff Foxworthy
Self (2 eps)
Rob Schneider
Self (2 eps)
Toby Keith
Himself (2 eps)
Simon Cowell
Self (2 eps)
Angie Stone
Self (1 eps)
Patricia Arquette
Self (1 eps)
Neil Diamond
Self (1 eps)
Wentworth Miller
Himself (1 eps)
Sienna Miller
Herself (1 eps)
David Gilmour
Self - Musical Guest (1 eps)
Bruce Springsteen
Self - Musical Guest (1 eps)
Rihanna
Self - Musical Guest (1 eps)
Cat Deeley
Herself (1 eps)
José González
Self (1 eps)
Brooke Shields
Self - Guest (1 eps)
Diana Krall
Self (1 eps)
Mary Lynn Rajskub
Self (1 eps)
Christina Aguilera
Self (1 eps)
Nicollette Sheridan
Self (1 eps)
Martha Stewart
Self (1 eps)
Garth Brooks
Self (1 eps)
Anthony Hopkins
Self (1 eps)
Paul Newman
Self - Guest (1 eps)
Mariah Carey
Self - Guest (1 eps)
Jeremy Piven
Self (1 eps)
Matthew Perry
Self (1 eps)
Dolly Parton
Self - Guest (1 eps)
Carrie Underwood
Self (1 eps)
Kurt Russell
Self (1 eps)
Ludacris
Self (1 eps)
Jerry Seinfeld
Self (1 eps)
Al Franken
Self (1 eps)
Jon Favreau
Self (1 eps)
Shelley Berman
Self (1 eps)
Bryce Dallas Howard
Herself (1 eps)
John Leguizamo
Self (1 eps)
Harrison Ford
Self - Guest (1 eps)
Jennifer Aniston
Self (1 eps)
Rosie Perez
Herself (1 eps)
Matthew McConaughey
Self (1 eps)
Jimmy Carter
Self (1 eps)
Jenna Fischer
Self (1 eps)
Jessica Alba
Self (1 eps)
Usher
Self (1 eps)
D.L. Hughley
Self (1 eps)
Chelsea Handler
Herself (1 eps)
KT Tunstall
Self (1 eps)
Ann Coulter
Self (1 eps)
