John Lithgow
Seth Green
Richard Belzer
Jane Lynch
Jay Leno
Fred Willard
Ben Stiller
Carrie Fisher
Richard Dreyfuss
Hank Azaria
Michael McKean
Mae Whitman
Patton Oswalt
Thomas F. Wilson
Dan Castellaneta
Bob Odenkirk
Kevin Nealon
Sid Haig
Van Epperson
Jean St. James
Brian Williams
Ed Begley Jr.
William Shatner
Robert Klein
Aaron Lustig
David Cross
Paul Dooley
Bryan Cranston
Todd Stashwick
Andy Richter
Amy Poehler
George Wendt
Henry Winkler
Sam Waterston
Amy Hill
Dennis Hopper
Janeane Garofalo
Whoopi Goldberg
Ron Howard
Steve Buscemi
George Clooney
Jason Alexander
Dean Winters
Tony Hale
Bernie Kopell
Regis Philbin
Megan Mullally
Rene Auberjonois
Jon Polito
Margaret Cho
Seth Rogen
Scott Adsit
Rob Lowe
George Takei
Harold J. Stone
Martin Short
Norman Stevans
Roseanne
Raymond Ma
Alanis Morissette
Nick Borgani
Nathan Lane
Cloris Leachman
Lisa Kudrow
Betty White
Jesse D. Goins
Ana Gasteyer
Vito Scotti
Alan Cumming
Joanna Cassidy
Jon Hamm
Hugh Laurie
Tom Virtue
Ed Helms
John Michael Higgins
Martin Mull
Larry Miller
Murray Pollack
Simon Oakland
Tony Regan
Bill Zuckert
Jeff Garlin
Pat Crawford Brown
Stuart Nisbet
Cosmo Sardo
Murray Matheson
Joseph Ruskin
Buck Henry
Tom Bosley
Don Rickles
Lawrence O'Donnell
Al Roker
Bob Costas
Robert Costanzo
Arthur Tovey
Adam West
Mark Hamill
John Slattery
Don Cheadle