Stars (in credits order)
Megan Mullally
Self - Hostess
Brett Simmons
Self - Musical Director
Carrie Clifford
Various
David McManus
Self
Tim Bagley
Mario Lopez
Neil Patrick Harris
Self - Guest
Steven Weber
Rusty Schwimmer
Dana Powell
Tom Bergeron
Clay Aiken
Merv Griffin
Daryl Hall
John Oates
Ruben Studdard
Eric A. Stromer
Kimberley Locke
Danny Seo
Sarah Scherger
Karla Braun
Kyle Krichbaum
Emily Albrecht
Brit Tranckino
Michael Clarke Duncan
Connie Britton
The Miller Brothers
Themselves - Musical Guest
Linda Cardellini
Will Ferrell
Josh Duhamel
Jamie Lee Curtis
Kristin Chenoweth
Jensen Ackles
Taylor Swift
Jennifer Love Hewitt
Jonny Lee Miller
Anne Heche
Elizabeth Perkins
Laura Linney
Amy Smart
Julia Louis-Dreyfus
Sharon Stone
Felicity Huffman
Molly Ringwald
Jane Seymour
Patricia Arquette
Amy Sedaris
Cobie Smulders
Milo Ventimiglia
Melora Hardin
Lauren Holly
Eva Mendes
Aaron Carter
Jordana Brewster
Carrie Fisher
Bradley Whitford
Rhea Perlman
Jennie Garth
Melissa Peterman
Masi Oka
David Boreanaz
Perry Mattfeld
American Girl
Alfre Woodard
Beau Bridges
Jenny McCarthy-Wahlberg
Matthew Broderick
Patrick Wilson
Virginia Madsen
Julianne Nicholson
Alyson Hannigan
Mark Harmon
Peter Gallagher
Cheryl Hines
Lisa Edelstein
Jason Segel
Sela Ward
Rainn Wilson
Tyler James Williams
Rosanna Arquette
Jeffrey Tambor
Niecy Nash
Constance Zimmer
Oded Fehr
Reba McEntire
Jesse Bradford
Cloris Leachman
Patricia Heaton
JoJo
Dax Shepard
Nadine Velazquez
Aly Michalka
Lisa Kudrow
Josh Radnor
Paz Vega
Parminder Nagra
Eddie Cibrian
Daniel Dae Kim
Alison Lohman
Judy Reyes
Adam Rodriguez
Eric Mabius
Debra Messing
Angela Kinsey
Marla Sokoloff
Marcia Cross
Tracy Morgan
Donald Faison
Michael Ealy
David Hyde Pierce
Peter Krause
Sherri Shepherd
Brenda Strong
Scott Foley
Tim Daly
John Stamos
Marlon Wayans
Tyrese Gibson
George Lopez
Harry Hamlin
Goran Visnjic
Omar Epps
Jamie Kennedy
Sean Hayes
Carol Burnett
Kim Raver
Tisha Campbell
Adrian Pasdar
Chris Noth
Camryn Manheim
Jane Kaczmarek
Tom Arnold
Brian Baumgartner
Maite Perroni
Matthew Davis
Andrea Bowen
James Denton
Audra McDonald
Rob Morrow
Lisa Rinna
AJ Michalka
Self - Performer
Melina Kanakaredes
Bob Saget
David James Elliott
Molly Sims
Josh Henderson
Wanda Sykes
Howie Mandel
Isaiah Washington
Enrique Murciano
Kevin Nealon
Andy Dick
Wayne Brady
Meat Loaf
Shawn Pyfrom
David Conrad
Jennifer Finnigan
Chandra Wilson
Noah Gray-Cabey
Tom Green
Billy Ray Cyrus
Nick Carter
Jesse McCartney
James Lesure
Ricardo Chavira
Josh Cooke
Phyllis Diller
Alfonso Herrera
Antonio Sabato Jr.
Carlos Bernard
Hayley Holmes
Shawn Wayans
Shelley Morrison
Drew Lachey
Ken Davitian
Ahmet Zappa
Carson Kressley
Jerry Springer
Duane Martin
Richard Simmons
Janice Dickinson
Fantasia Barrino
Catherine Lloyd Burns
Sarah Rush
Criss Angel
Barry Manilow
Tim Gunn
Kevin Federline
José Feliciano
Brian McKnight
Cris Judd
Cesar Millan
Anahí
Christian Chávez
Dulce María
Rupert Boneham
Taylor Hicks
Presley Cash
Christopher Von Uckermann
Joshua Bell
Trista Sutter
Sue Johanson
Kate Quigley
Guest Baton Twirler
Santino Rice
Kyla Dang
Clinton Kelly
Mitch Albom
Bianca Ryan
Jon Hartmere
Ryan Sutter
Benji Schwimmer
MaShae Alderman
Jeffrey Sebelia
Slade Abisror
Farris Patton
Marc Cleary
Michael Carson
Tyler Weaver Jr.
Guest Performer
Mario Vazquez
Mark Leyner
Taylor Ware
Kerri-Anne Lavin
Dancer
Steve Holy
April Washko
Keisha Ramdhanie
Model
Nathan Burton
Kellie Ramdhanie
Billy Goldberg
The Ten Tenors
Themselves
Raymond J. Brune
Heidi Groskreutz-Burns
Tysonia Sichinga
Jill Conner Browne
Lisa Williams
Craig Bierko
Dave Annable
Emily Procter
Tichina Arnold
Natalie Cole
Goo Goo Dolls
Wendi McLendon-Covey