| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Sean Hayes | Crew | Creator | Creator | |
 Adam Scott | Cast | Actor | Self | 1 |
 Al Roker | Cast | Actor | Self | 1 |
 Alison Sweeney | Cast | Actress | Self | 1 |
 Allison Janney | Cast | Actress | Self | 1 |
 Alyson Hannigan | Cast | Actress | Self | 1 |
 Alyssa Milano | Cast | Actress | Self | 1 |
 Amy Poehler | Cast | Actress | Self | 1 |
 Andy Richter | Cast | Actor | Self | 1 |
 Angie Harmon | Cast | Actress | Self | 1 |
 Anthony Anderson | Cast | Actor | Self | 2 |
 Breckin Meyer | Cast | Actor | Self | 1 |
 Cheryl Hines | Cast | Actress | Self | 2 |
 Christina Applegate | Cast | Actress | Self | 1 |
 Daniel Dae Kim | Cast | Actor | Self | 1 |
 David Alan Grier | Cast | Actor | Himself | 1 |
 Dax Shepard | Cast | Actor | Self | 1 |
 Dominic Monaghan | Cast | Actor | Self | 1 |
 Don Cheadle | Cast | Actor | Self | 1 |
 Donald Faison | Cast | Actor | Self | 3 |
 Emilie de Ravin | Cast | Actress | Self | 1 |
 Erika Christensen | Cast | Actress | Self | 1 |
 Felicity Huffman | Cast | Actress | Self | 1 |
 Fred Armisen | Cast | Actor | Self | 1 |
 Fred Willard | Cast | Actor | Self | 1 |
 Gary Dell'Abate | Cast | Actor | Self | 1 |
 Henry Winkler | Cast | Actor | Self | 1 |
 Jaime Pressly | Cast | Actress | Self | 1 |
 Jamie-Lynn Sigler | Cast | Actress | Self | 1 |
 Jane Leeves | Cast | Actress | Self | 1 |
 Jane Lynch | Cast | Actress | Herself - Host | 78 |
 Jason Alexander | Cast | Actor | Self | 2 |
 Jason Sudeikis | Cast | Actor | Self | 2 |
 Jeff Probst | Cast | Actor | Himself | 1 |
 Jenna Elfman | Cast | Actress | Self | 1 |
 Joe Manganiello | Cast | Actor | Self | 1 |
 Julie Bowen | Cast | Actress | Self | 1 |
 Kal Penn | Cast | Actor | Self | 1 |
 Kaley Cuoco | Cast | Actress | Self | 1 |
 Kenan Thompson | Cast | Actor | Self | 1 |
 Kristen Bell | Cast | Actress | Self | 1 |
 Kristin Chenoweth | Cast | Actress | Self | 1 |
 Lauren Graham | Cast | Actress | Self | 1 |
 Leslie Bibb | Cast | Actress | Herself | 1 |
 Lester Holt | Cast | Actor | Self | 1 |
 Lisa Kudrow | Cast | Actress | Self | 1 |
 Mario López | Cast | Actor | Self | 1 |
 Mark Feuerstein | Cast | Actor | Self | 1 |
 Mark-Paul Gosselaar | Cast | Actor | Self | 1 |
 Martin Short | Cast | Actor | Self | 2 |
 Matthew Perry | Cast | Actor | Self | 1 |
 Max Greenfield | Cast | Actor | Self | 1 |
 Maya Rudolph | Cast | Actress | Self | 1 |
 Mayim Bialik | Cast | Actress | Self | 1 |
 Mekhi Phifer | Cast | Actor | Self | 1 |
 Mel B | Cast | Actress | Self | 1 |
 Michael Chiklis | Cast | Actor | Self | 1 |
 Michael Weatherly | Cast | Actor | Self | 2 |
 Michelle Trachtenberg | Cast | Actress | Self | 1 |
 Minnie Driver | Cast | Actress | Self | 1 |
 Molly Shannon | Cast | Actress | Self | 2 |
 Nick Cannon | Cast | Actor | Self | 1 |
 Niecy Nash | Cast | Actress | Self | 1 |
 Padma Lakshmi | Cast | Actress | Self | 1 |
 Paget Brewster | Cast | Actress | Self | 1 |
 Patricia Heaton | Cast | Actress | Self | 1 |
 Penny Marshall | Cast | Actress | Self | 1 |
 Poppy Montgomery | Cast | Actress | Herself | 1 |
 Ray Romano | Cast | Actor | Self | 1 |
 Retta | Cast | Actress | Self | 1 |
 Rita Wilson | Cast | Actress | Self | 1 |
 Rose Byrne | Cast | Actress | Self | 1 |
 Rosie O'Donnell | Cast | Actress | Self | 1 |
 Sarah Chalke | Cast | Actress | Self | 2 |
Sean Hayes | Cast | Actor | Self | 2 |
 Stacy Keibler | Cast | Actress | Self | 1 |
 Taraji P. Henson | Cast | Actress | Self | 1 |
 Taran Killam | Cast | Actor | Self | 1 |
 Taryn Manning | Cast | Actress | Self | 1 |
 Terry Crews | Cast | Actor | Self | 1 |
 Thomas Lennon | Cast | Actor | Self | 1 |
 Tiffani Thiessen | Cast | Actress | Self | 1 |
 Tom Arnold | Cast | Actor | Self | 2 |
 Valerie Bertinelli | Cast | Actress | Self | 3 |
 Wayne Brady | Cast | Actor | Self | 1 |
 Wendie Malick | Cast | Actress | Self | 1 |
 Will Sasso | Cast | Actor | Self | 1 |
 Wilmer Valderrama | Cast | Actor | Self | 1 |
 Andy Roddick | Cast | Actor | Self | 2 |
 Angela Kinsey | Cast | Actress | Self | 2 |
 Cobie Smulders | Cast | Actress | Self | 1 |
 David Giuntoli | Cast | Actor | Self | 1 |
 Gavin DeGraw | Cast | Actor | Self | 1 |
 Gillian Jacobs | Cast | Actress | Self | 1 |
 Hoda Kotb | Cast | Actress | Self | 1 |
 Jerome Bettis | Cast | Actor | Self | 1 |
 Jerry Ferrara | Cast | Actor | Self | 1 |
 John Legend | Cast | Actor | Self | 1 |
 Josh Gad | Cast | Actor | Self | 1 |
 Lauren Cohan | Cast | Actress | Self | 1 |
 Matthew Morrison | Cast | Actor | Self | 1 |
 Olivia Wilde | Cast | Actress | Self | 1 |
 Pete Wentz | Cast | Actor | Self | 1 |
 Rachael Ray | Cast | Actress | Self | 1 |
 Rachel Bilson | Cast | Actress | Self | 1 |
 Rob Riggle | Cast | Actor | Self | 1 |
 Tim Gunn | Cast | Actor | Himself | 1 |
 Yvette Nicole Brown | Cast | Actress | Self | 2 |
 Zachary Levi | Cast | Actor | Self | 1 |
 Aubrey Plaza | Cast | Actress | Self | 1 |
 Billy Eichner | Cast | Actor | Self | 1 |
 Brooklyn Decker | Cast | Actress | Self | 2 |
 Chris Colfer | Cast | Actor | Self | 1 |
 Ellie Kemper | Cast | Actress | Self | 2 |
 Beth Behrs | Cast | Actress | Self | 1 |
 Chrissy Teigen | Cast | Actress | Self | 1 |
 Tara Lipinski | Cast | Actress | Self | 1 |
 Nate Berkus | Cast | Actor | Self | 1 |
 Joel Madden | Cast | Actor | Self | 1 |
 Bob Harper | Cast | Actor | Self | 1 |
| Person | Type | Job | Role(s) | Episodes |
