- Becca Tobin - Kitty Wilde
- Jessalyn Gilsig - Terri del Monico
- Chord Overstreet - Sam Evans
- Blake Jenner - Ryder Lynn
- Heather Morris - Brittany S. Pierce
- Darren Criss - Blaine Anderson
- Amber Riley - Mercedes Jones
- Jayma Mays - Emma Pillsbury
- Kevin McHale - Artie Abrams
- Jenna Ushkowitz - Tina Cohen-Chang
- Mark Salling - Noah Puckerman
- Alex Newell - Wade 'Unique' Adams
- Mike O'Malley - Burt Hummel
- Harry Shum Jr. - Mike Chang
- Dianna Agron - Quinn Fabray
- Jennifer Aspen - Kendra Giardi
- Josh Groban - Josh Groban
- John Ross Bowie - Dennis
- Britney Spears - Britney Spears
- Eve - Grace Hitchens
- Olivia Newton-John - Olivia Newton-John
- Cheryl Francis Harrington - Nurse
- Kurt Fuller - Mr. McClung
- Gregg Henry - Russell Fabray
- Debra Monk - Mrs. Schuester
- Sarah Drew - Suzy Pepper
- Amy Hill - Dr. Chin
- Paul Vogt - Herb Duncan
- Ben Bledsoe - Hank Saunders
- Victor Garber - Mr. Schuester
- John Michael Higgins - Russell
- Kenneth Choi - Dr. Wu
- Rizwan Manji - Dr. Gidwani
- John Lloyd Young - Henri St. Pierre
- Patrick Gallagher - Ken Tanaka
- Aaron Hendry - Darren
- Neil Patrick Harris - Bryan Ryan
- Vivian Nixon - Andrea Cohen
- Molly Shannon - Brenda Castle
- Tyra Banks - Bichette
- Phoebe Strole - Penny Owen
- Ioan Gruffudd - Paolo San Pablo
- Peter Facinelli - Rupert Campion
- Grant Gustin - Sebastian Smythe
- Dominic Barnes - Trent
- Demi Lovato - Dani
- Erinn Westbrook - Bree
- Telisha Shaw - Aphasia
- Anna Camp - Candace Dystra
- Michael Benjamin Washington - Tracy Pendergrass
- Mary Jo Catlett - Mrs. Carlisle
- Jean Sincere - Ancient Librarian
- Dijon Talton - Matt Rutherford
- Zack Weinstein - Sean Fretthold
- Bryce Johnson - Cody Tolentino
- Eve Gordon - Mrs. Fretthold
- M.C. Gainey - Santa Claus
- Wendy Worthington - Woman Auditioning
- Keisuke Hoashi - Peter 'Chainsaw' Gow
- Alan Heitz - Ronny
- Skylar Astin - Jean Baptiste
- Jackée Harry - Jackée Harry
- Marlee Matlin - Marlee Matlin
- Chace Crawford - Biff McIntosh
- Bex Taylor-Klaus - Bex
- Derek Baker - Football Player
- Dan Considine - John
- Sean O'Bryan - Roric
- Lauren Gottlieb - Dancer
- Doug Penikas - Vocal Adrenaline Dancer
- Rex Lee - Alderman Martin Fong
- Riker Lynch - Jeff
- Alexander Nifong - Jeremiah
- Josie Totah - Myron Muskovitz
- Geraldo Rivera - Geraldo Rivera
- Riley Voelkel - Sam
- Dylan Sprayberry - Young Cooper
- Matt Bomer - Cooper Anderson
- Whit Hertford - Dakota Stanley
- Damian McGinty - Rory Flanagan
- Anthony Brandon Wong - Dr. Lee
- Meat Loaf - Barry Jeffries
- Barry Bostwick - Tim Stanwick
- Michael Hyatt - Joan Martin
- Carol Burnett - Doris Sylvester
- Jo Anderson - Marcia Dean
- Mike Hagerty - Pete Sosnowski
- Katie Couric - Katie Couric
- Charlene Amoia - Bailey
- John Stamos - Dr. Carl Howell
- Curt Mega - Nick
- Kathy Griffin - Tammy Jean Albertson
- Loretta Devine - Sister Mary Constance
- Titus Makin Jr. - David
- Darcy Shean - Carla Turlington Stevens
- Stephen Tobolowsky - Sandy Ryerson
- Daniel Roebuck - Paul Karofsky
- Kathleen Quinlan - Dr. Shane
- Telly Leung - Wes
- Kari Coleman - Donna Jackson
- Jake Zyrus - Sunshine Corazón
- Cheyenne Jackson - Dustin Goolsby
- Sue Jean Kim - Clerk
- Rick Pasqualone - Al Motta
- James Earl - Azimio
- Raven Goodwin - Sheila
- Jolene Purdy - Ronnie
- John Schneider - Dwight Evans
- Tanya Clarke - Mary Evans
- E.E. Bell - Don Barowski
- Ricky Martin - David Martínez
- Jeff Goldblum - Hiram Berry
- Joel McKinnon Miller - Richard Lavender
- Thomas Calabro - Mr. Puckerman
- Eric Bruskotter - Cooter Menkins
- Lindsay Lohan - Lindsay Lohan
- Charlotte Ross - Judy Fabray
- Keong Sim - Mike Chang Sr.
- Tamlyn Tomita - Julia Chang
- Kathleen M. Darcy - Eleanor Doosenbury
- James Lipton - James Lipton
- Amanda Jane Cooper - Beatrice McClaine
- Pamela Chan - Dottie Kazatori
- Daniel Curtis Lee - Phil Lipoff
- Phyllis Applegate - Birdie Lawrence
- Sean Gunn - Phineas Hayes
- Dan Domenech - Chase Madison
- Adina Porter - Mrs. Delaney
- Mark Christopher Lawrence - Rob Adams
- Davenia McFadden - Betty Adams
- Aisha Tyler - Jake's Mother
- Gina Hecht - Mrs. Puckerman
- Nolan Gerard Funk - Hunter Clarington
- Leah Pipes - Electra
- Ali Stroker - Betty Pillsbury
- Valerie Mahaffey - Rose Pillsbury
- Don Most - Rusty Pillsbury
- Oliver Kieran-Jones - Adam Crawford
- Lamarcus Tinker - Shane Tinsley
- B.K. Cannon - Prom Committee Member
- Jimmy Bellinger - Clark Hummings
- Dean Geyer - Brody Weston
- Idina Menzel - Shelby Corcoran
- Trisha Rae Stahl - Millie Rose
- Brad Benedict - Matt Cromley
- Casey Deidrick - Chip
- Sarah Jessica Parker - Isabelle Wright
- Katey Sagal - Nancy Abrams
- Kate Hudson - Cassandra July
- Phillip Rhys - Martin
- Don Franklin - Dr. Fischman
- Meredith Baxter - Liz Stevens
- Patty Duke - Jan
- Bob Bancroft - Donald Langdon
- Jack Plotnick - Leonardo Hauptman
- Christopher Curry - Gunther
- Christopher Cousins - Superintendent Bob Harris
- Andi Chapman - Arwyyd Johnson
- Kristin Chenoweth - April Rhodes
- Adam Lambert - Elliott 'Starchild' Gilbert
- Gwyneth Paltrow - Holly Holliday
- Wendle Josepher - Barbara Brownfield
- Whoopi Goldberg - Carmen Tibideaux
- Dana Davis - Tesla
- Ashley Blaine Featherson - Shaynice
- Stephanie Hunt - Julie
- Galadriel Stineman - Vanessa
- Tahlena Chikami - Jessica
- Chris Parnell - Mario
- Josh Sussman - Jacob Ben Israel
- Taisha Monique Clark - Giselle
- Taisha Monique Clark - Jane Adams Dancer
- Tony Colitti - Salvatore
- Michael Lerner - Sidney Greene
- Gary Dourdan - DeShawn
- Richard Kind - Mr. Rifkin
- Nathan Keyes - Andrew Cosgrove
- Nicholas Kadi - Alain Marceau
- June Squibb - Maggie Banks
- Billy Dee Williams - Andy Collins
- Tim Conway - Marty Rogers
- Melinda McGraw - Clara Banks
- Brittany Finamore - Beverly Stevens
- Kristen Schaal - Mary Halloran
- Shirley MacLaine - June Dolloway
- Beau Garrett - Charlie Darling
- Brian Stokes Mitchell - LeRoy Berry
- Jim Rash - Lee Paulblatt
- NeNe Leakes - Roz Washington
- Michael Hitchcock - Dalton Rumba
- Gary Grubbs - Jimbo Wilson
- Perez Hilton - Perez Hilton
- Jennifer Coolidge - Whitney Pierce
- Gina Gershon - Pam Anderson
- Ken Jeong - Pierce Pierce
- Ivonne Coll - Alma Lopez
- Harry Hamlin - Walter
- Bill A. Jones - Rod Remington
- Max George - Clint
- Justin Prentice - Darrell
- Fortune Feimster - Butch Melman
- Patricia Forte - Donna Landries
- Kent Avenido - Howard Bamboo
- April Grace - Mrs. Jones
- Jonathan Groff - Jesse St. James
- Romy Rosemont - Carole Hudson
- Max Adler - Dave Karofsky
- Ashley Fink - Lauren Zizes
- Lauren Potter - Becky Jackson
- Vanessa Lengies - Sugar Motta
- Samuel Larsen - Joe Hart
- Billy Lewis Jr. - Mason McCarthy
- Laura Dreyfuss - Madison McCarthy
- Finneas O'Connell - Alistair
- Gloria Estefan - Maribel Lopez
- Samantha Marie Ware - Jane Hayward
- Marshall Williams - Spencer Porter
- Peter Choi - Emcee
- Iqbal Theba - Principal Figgins
- Iqbal Theba - Abigail Figgins Gunderson
- Justin Gaston - Football Player
- D.J. 'Shangela' Pierce - Shangela Laquifa Wadley
- Courtney Galiano - The Mack
- Cyrina Fiallo - Web Critic
- Katherine McNamara - Bunhead #1
- John Garrett Mahlmeister - Falconer
- Rosanna Pansino - Cheerio Cheerleader (uncredited)
- Tessa Netting - Apple #9
- Amanda Balen - Unnamed Cheerio 1 (uncredited)
- Danielle Macdonald - Girl #1
- Jane Galloway Heitz - Lillian Adler
- Melanie Henderson - Barb
- Valorie Hubbard - Peggy
- Jacob Hashem - Amir
- Clint Culp - Teamster
- John Autry II - Deaf Choir #1
- John Autry II - Deaf Choir Soloist
- Marie Caldare - Mrs. Holloway
- Maxine English - Mrs. Robinson
- Lexi Marman - Deaf Choir #2
- Lexi Marman - Deaf Choir #1
- Gregory Hinton - Flex, The Bodyguard
- Brooke Newton - Leggy Blonde
- Shelby Rabara - Shoshandra
- Corey Krueger - Popular Jock
- Hisonni Mustafa - Nick
- Frank Pacheco - Jerky Player
- Nick Grosvenor - Marcus Langenthal
- Jayson Blair - Chris
- Susan Leslie - Sandra
- Larry Udy - Barry the Bartender
- Geoffrey Gould - Bingo Caller
- Carol Kraft - Bowling Alley Patron
- Joe Hursley - Joe
- Rachael Markarian - Cheerleader
- JJ Snyder - Reporter
- Zack Lively - Lipoff
- Jeff Lewis - Manager
- Niko Novick - Jimmy
- Dustin Ceithamer - Cheerio Freak
- Kelly Tighe - Student
- Michael Loeffelholz - Phil Giardi
- Dawn Noel - Jayelle
- Louis Stancil - Deaf Choir #12
- Jodi Harris - Mrs. Pathello
- Jodi Harris - Mrs. Penkala
- Kelly Connolly - Dancer
- Comfort Fedoke - Jane Adams Choir #1
- Kherington Payne - Jane Adams Choir #2
- Katee Shean - Jane Adams Choir #3
- Chuck Spitler - Randy Cusperberg
- Thomasina Gross - Jane Adams Choir #4
- Thomasina Gross - Perfect Engleberger
- Mercy Edwards - Tawny Peterson
- Jeanine Anderson - Waitress
- Ayla Rose Barreau - Dottie Westerton
- Hayley Holmes - Liz Schneider
- Noel Arthur - Guy
- Earnestine Phillips - Nurse
- Molly McCook - Sophmore Singer
- Mandela Bellamy - Vampire
- Brian McGovern - Brett Paxton
- Tonita Castro - Imelda
- Virginia Gardner - Katie Fitzgerald
- Virginia Gardner - Marissa
- Jennifer Say Gan - Nurse #2
- Dustin Ingram - Pizza Guy
- Brent Jennings - Reverend
- Teddy Lane Jr. - Trainer
- Sharon Muthu - Sikh
- Al Pugliese - Customer
- Jonathan Wolf - Random Guy
- Loanne Bishop - Waitress
- Loryn Shay Charbonnier - Toddler Brittany
- Evan Kishiyama - Toddler Mike
- Jesse Heiman - Student in the Hall
- Jesse Heiman - Member of the Highschool Video Club
- Avery Phillips - Toddler Quinn
- Jake Vaughn - Toddler Finn
- Bradford Tatum - Louis
- Bradford Tatum - Tattoo Artist
- Tia Robinson - Conjunction Junction Dancer
- Rich Ceraulo Ko - Reverend
- Eddy Martin - Thad
- Ellerine Harding - Hipster Female #1
- Baadja-Lyne Odums - Hipster Female #2
- Edmund L. Shaff - Hipster Male
- Jernard Burks - Mall Santa
- Corina Boettger - Student #1
- Damien C. Haas - Student #2
- Malerie Grady - Student #3
- Luke Youngblood - Student #4
- Josh Brodis - Mall Shopper
- Scott Lincoln - Cannonball Guy
- Chris Trouble Delfosse - Tattooist
- Cathy Jenéen Doe - Barista
- Kati Sharp - Rochelle
- Charles Melton - Gavin
- Charles Melton - Model
- Rob Giles - Guitarist
- Ari Stidham - Drunk Kid
- Ashley Jackson - Crawford Girl
- George Wyner - Plastic Surgeon
- Cody Hamilton - Steve
- Connie Ventress - Patron
- Mary Gillis - Mrs. Hagberg
- Jim Metzler - Minister
- Mike Starr - Usher
- Patti LuPone - Patti LuPone
- Todd Sandler - School Board Member
- Todd Sandler - Todd
- Michael Mandell - Mo
- Stacey Sargeant - Barmaid
- Don Stephenson - Hotel Manager
- Barbara Tarbuck - Nancy Bletheim
- Lora Plattner - Sophmore
- Claudia Choi - Make-Up Woman
- Sonya Eddy - Angry Mom
- Jack Harding - Mr. Baroody
- Kristopher Logan - Mr. Shor
- Joe Massingill - Jock #1
- Rock Anthony - Rick 'The Stick'
- Rock Anthony - Hockey Player
- Suraj Partha - Pony
- Tava Smiley - Mrs. Figler
- Peter Spruyt - Mr. Danforth
- Weston Mueller - Deaf Choir #5
- Weston Mueller - Deaf Choir #6
- Joseph Haro - Warbler #1
- Tommy Korn - Deaf Choir #7
- Tommy Korn - Deaf Choir #6
- Gianni Manganelli - Deaf Choir #8
- Gianni Manganelli - Deaf Choir #7
- Jazzmun - Queen Tina Turner
- Steven Skyler - Warbler #2
- Cooper Rowe - Warbler #3
- Emilee Wallace - Deaf Choir #11
- Emilee Wallace - Deaf Choir #9
- Treshelle Edmond - Deaf Choir #11
- Treshelle Edmond - Deaf Choir #10
- Eric Etebari - Reggie 'The Sauce' Salazar (voice)
- Alex Stamm - Other Kid
- Colby Minifie - Young Sue Sylvester
- Jim Gleason - Doctor
- Jan Hoag - Roberta
- David Wilson Page - Josh Coleman
- Guilford Adams - Judge Tickles the Clown
- Marcanthonee Reis - Oscar
- Peter Mayhew - Chewbacca
- Patricia Raven - Webber
- Diana Care - Guppy
- Helen Mirren - Becky's Inner Voice (voice)
- John Marshall Jones - Chili
- Brenda Ballard - Stephanie
- Aaron Hill - Nick
- Ian Brennan - Svengoobles
- Jed Bernard - Dave Karofsky's Partner
- Fay Hauser - Doctor
- Ann Russo - Nurse
- Leilani Sarelle - Mrs. Tennison
- Ravi Smith - Young Blaine
- Justin Castor - Chandler Kiehl
- Rebecca Staab - Mrs. Collins
- Annie Quinn - Liz
- Derek Butler - Male Student
- Bo Barrett - Assistant Manager
- Justin Cone - Benjamin
- Ashley Galvan - Lydia
- Jesse Luken - Bobby 'Boom Boom' Surette
- Hope Olaidé Wilson - De'Wanda Umber
- Ric Sarabia - Mr. Clippenger
- Ric Sarabia - Crusty Teacher
- Suzanne Krull - Eccentric Vogue Woman
- Alissa Geraghty - Supermodel
- Ina-Alice Kopp - Receptionist
- Bailey Noble - Bunhead #2
- Ryan Taylor - Alpha Gay
- Brad Potts - Drill Sergeant
- Marie Grujicic-Delage - Mrs. French Tourist
- Sebastien Stella - Mr. French Tourist
- Natalie Jane - Young Marley
- Jon Robert Hall - Warbler John
- Nathalie Love - Fashionista
- Leo Lam - Warbler
- Dina Renee - Allison Metcalf
- Sarah Buxton - Mrs. Cross
- Harrison Forsyth - Cross Kid
- Bonnie Hellman - Nurse
- Michelle DeFraites - Girl
- Jennifer Foster - Apple #1
- Clark Moore - Apple #3
- Adam Dingeman - Apple #4
- Steve Trzaska - Apple #7
- Joey Richter - Apple #8
- Jacob Wysocki - Electra's D.P.
- Tiffany Adams - Reporter #1
- Roy Abramsohn - Reporter #2
- Patrick Stafford - Sycophant #1
- Kayla Kalbfleisch - Elaine
- Nathan Ray Clark - Bartender
- Angela Gulner - Bridesmaid
- Anthony Burrell - Dallas
- Cali Fredrichs - Popular Girl
- Dean Cameron - Kurt's Acting Teacher
- Jarrod Bailey - Boy
- J.D. Phillips - Bernard
- J.D. Phillips - Sycophant #2
- Amy Aquino - Funny Girl Producer
- Tara Holt - Girl
- Jane Lanier - Dance Teacher
- Dior Goodjohn - Little Santana
- William Charles Mitchell - Minister
- Dyllan Christopher - Student
- Brian Balzerini - Andy
- Ashlee Brian - Derek
- Sean Guse - Robbie
- Mal Merpi - UC Tour Guide
- Rodolfo Martinez - Rudy Martinez
- Mason McNulty - Young Sam
- Luke Zimmerman - Male Student
- Irene Roseen - Liz Alfano
- Mary Stein - Pam Fronkstein
- Rane Jameson - Delivery Man
- Anna Claire Sneed - Kid
- Jeffrey Larson - Student #1
- Nathan Davis Jr. - Student #2
- Felix Avitia - Snotty Kid
- Adam Chernick - Boy
- Isabella Kai - Girl
- Matt McCarthy - Dancing Elf
- Bonnie Bailey-Reed - Dissatisfied Spotlight Diner Customer
- Nick Nordella - Sales Person
- Christina Carlisi - Hotel Clerk
- Neil Haskell - Dolph
- Jack Jason - Jack Jason
- Barry Livingston - Manager
- Ratidzo Mambo - Teacher
- Keith Pillow - Scientist
- Bob Glouberman - Mitzvah University President
- Dabier - Animal Husbandry Clubber
- Genson Blimline - Man on Crutches
- Manos Gavras - Dimitri
- Ric Stoneback - Angry New Yorker
- Assaf Cohen - Doctor
- Loyd Bateman - Alex
- Jeanette Brox - Assistant Stage Manager
- Edwin Garcia II - Mark
- Laura Jordan - Brooklynite
- Rick Worthy - Dr. Howard
- Bruce Beatty - Preacher
- Daniel Amerman - T.A.
- Craig Henningsen - Stage Combat Partner
- Johnny Skourtis - Aristotle
- Chad James Buchanan - Bartender
- Rod McLachlan - Newsstand Guy
- John Ainsworth - Barclay
- Shaun Brown - Theatre Patron
- Jeff Doucette - NY Times Critic
- Eric Roberts - Fundraiser Coordinator
- Philip Pavel - TV Producer
- Geri Jewell - TV Producer
- Ilia Volok - Cab Driver
- Mia Barron - Mother
- Marcus Brown - Ben
- Greg Bryan - Jack
- Mary K. DeVault - Patron
- Jeff Odachowski - Paparazzo
- Charles C. Stevenson Jr. - Freddie
- Max Emerson - Male Model
- Tommy Bechtold - Assistant
- Jeff Pierre - Male Fan
- Carrot Top - Blartie
- Jim J. Bullock - Cert
- Heather Mazur - Publicist
- Michael Busch - Barry
- Al Carabello - Ricardo
- Karen Constantine - Waitress
- Barrett Crake - Rich
- Josiah Davis - Player
- Romel de Silva - Overweight Student
- Jacy King - Janet
- Shanna Malcolm - Infiniti
- Michael Segovia - Kid
- Myko Olivier - Head Warbler
- Alex Mentzel - Warbler #1
- Parker Harris - Warbler #4
- Nick Fink - Warbler #6
- Madeline Bertani - Martha
- Bobo Chang - Terrified Dalton Student
- Mason Trueblood - Super Gay Warbler
- Trilby Glover - Carmel High Secretary
- Patrick Cox - Stuart
- Caitlynn Lawson - Shayna
- Vanessa Mizzone - Realtor
- Alexandra Grey - Erica Lewis
- Jordan Bates - Miffed Kid
- Michael Bolton - Michael Bolton
- Carnie Wilson - Carnie Wilson
- Karen Chuang - Swoosie
- Anoush NeVart - Bailiff
- Mandana Rothschild - NYADA Secretary
- Bee-Be Smith - Harris' Receptionist
- Natalija Nogulich - Madame Helen
- Jack Foley - Lysander
- David Lewis - Joby
- Andrew Rannells - Andrew Rannells
- Tim Bagley - Elementary Teacher
- Luka Šulić - Luka Šulic
- Stjepan Hauser - Stjepan Hauser
- Karen Romero
- Ryan Murphy
- Matthew Hodgson
- Brad Falchuk
- Eric Dawson
- Robert J. Ulrich
- Stacey Dodds
- James S. Levine
- P.J. Bloom
Sarah Jessica Parker interpreta a Isabelle Wright en la serie.
Stephen Tobolowsky hace el papel de Sandy Ryerson.
Tamlyn Tomita interpreta a Julia Chang en la serie.
Kathy Griffin hace el papel de Tammy Jean Albertson.
Whoopi Goldberg hace el papel de Carmen Tibideaux.
Michael Lerner interpreta a Sidney Greene en la serie.
Jeff Goldblum hace el papel de Hiram Berry.
Gregg Henry interpreta a Russell Fabray en la serie.
Billy Dee Williams interpreta a Andy Collins en la serie.
Shirley MacLaine hace el papel de June Dolloway.
Capítulo disponible en las siguientes plataformas:
