Person: | Characters | Episodes | |
• Ruben Studdard | played | 17 Episodes | |
• Carrie Underwood | played | 15 Episodes | |
• Kelly Clarkson | played | 14 Episodes | |
• Fantasia Barrino | played | 13 Episodes | |
• David Cook (3) | played | 13 Episodes | |
• Clay Aiken | played | 12 Episodes | |
• Jennifer Hudson | played | 11 Episodes | |
• Jordin Sparks | played | 10 Episodes | |
• Chris Daughtry | played | 8 Episodes | |
• Adam Lambert | played | 8 Episodes | |
• Scotty McCreery | played | 8 Episodes | |
• Mary J. Blige | played | 7 Episodes | |
• Tamyra Gray | played | 7 Episodes | |
• Becky O'Donohue | played | 7 Episodes | |
• Matthew Rogers | played | 6 Episodes | |
• Barry Manilow | played | 6 Episodes | |
• Gwen Stefani | played | 6 Episodes | |
• Clive Davis (1) | played | 6 Episodes | |
• Demi Lovato | played | 6 Episodes | |
• Justin Guarini | played | 6 Episodes | |
• will.i.am | played | 6 Episodes | |
• Kellie Pickler | played | 6 Episodes | |
• Elliott Yamin | played | 6 Episodes | |
• Taylor Hicks | played | 6 Episodes | |
• Kris Allen | played | 6 Episodes | |
• Jamie Foxx | played | 5 Episodes | |
• Christina Christian | played | 5 Episodes | |
• Victoria Beckham | played | 5 Episodes | |
• Miley Cyrus | played | 5 Episodes | |
• Smokey Robinson | played | 5 Episodes | |
• Katy Perry | played | 5 Episodes | |
• Lee Dewyze | played | 5 Episodes | |
• Phillip Phillips | played | 5 Episodes | |
• Alicia Keys | played | 4 Episodes | |
• Paula Abdul | played | 4 Episodes | |
• Diana DeGarmo | played | 4 Episodes | |
• LaToya London | played | 4 Episodes | |
• Kimberley Locke | played | 4 Episodes | |
• Jennifer Lopez | played | 4 Episodes | |
• David Archuleta | played | 4 Episodes | |
• Tony Bennett | played | 4 Episodes | |
• Bo Bice | played | 4 Episodes | |
• Constantine Maroulis | played | 4 Episodes | |
• Harry Connick, Jr. | played | 4 Episodes | |
• Stevie Wonder | played | 4 Episodes | |
• Bono | played | 4 Episodes | |
• Ace Young | played | 4 Episodes | |
• Katharine McPhee | played | 4 Episodes | |
• Joe Jonas | played | 4 Episodes | |
• Lady GaGa | played | 4 Episodes | |
• Danny Gokey | played | 4 Episodes | |
• Lauren Alaina | played | 4 Episodes | |
• Nick Fradiani | played | 4 Episodes | |
• Gladys Knight | played | 3 Episodes | |
• Camile Velasco | played | 3 Episodes | |
• Jasmine Trias | played | 3 Episodes | |
• John Stevens | played | 3 Episodes | |
• Jon Peter Lewis | played | 3 Episodes | |
• George Huff | played | 3 Episodes | |
• Shania Twain | played | 3 Episodes | |
• Martina McBride | played | 3 Episodes | |
• Donna Summer | played | 3 Episodes | |
• Steven Tyler | played | 3 Episodes | |
• Kevin Bacon | played | 3 Episodes | |
• David Foster (1) | played | 3 Episodes | |
• Black Eyed Peas | played | 3 Episodes | |
• Slash | played | 3 Episodes | |
• Mikalah Gordon | played | 3 Episodes | |
• Kanye West | played | 3 Episodes | |
• Akon | played | 3 Episodes | |
• Neil Diamond | played | 3 Episodes | |
• Jason Mraz | played | 3 Episodes | |
• Mariah Carey | played | 3 Episodes | |
• Rascal Flatts | played | 3 Episodes | |
• Burt Bacharach | played | 3 Episodes | |
• Maroon 5 | played | 3 Episodes | |
• Rihanna | played | 3 Episodes | |
• Olivia Newton-John | played | 3 Episodes | |
• Will Young | played | 3 Episodes | |
• Pitbull | played | 3 Episodes | |
• Bon Jovi | played | 3 Episodes | |
• Dave Hoover | played | 3 Episodes | |
• Barry Gibb | played | 3 Episodes | |
• Daughtry | played | 3 Episodes | |
• Brooke White | played | 3 Episodes | |
• Carly Smithson | played | 3 Episodes | |
• Lady Antebellum | played | 3 Episodes | |
• Carole Bayer Sager | played | 3 Episodes | |
• Allison Iraheta | played | 3 Episodes | |
• Jason Derulo | played | 3 Episodes | |
• Orianthi | played | 3 Episodes | |
• Candice Glover | played | 3 Episodes | |
• Caleb Johnson | played | 3 Episodes | |
• Jane Lynch | played | 2 Episodes | |
• Lulu | played | 2 Episodes | |
• Elton John | played | 2 Episodes | |
• Avril Lavigne | played | 2 Episodes | |
• Quentin Tarantino | played | 2 Episodes | |
• Beyoncé Knowles | played | 2 Episodes | |
• Jack Black | played | 2 Episodes | |
• Josh Groban | played | 2 Episodes | |
• Heather Locklear | played | 2 Episodes | |
• John Legend | played | 2 Episodes | |
• Randy Jackson (1) | played | 2 Episodes | |
• Simon Cowell | played | 2 Episodes | |
• Ryan Starr | played | 2 Episodes | |
• Nikki McKibbin | played | 2 Episodes | |
• Jim Verraros | played | 2 Episodes | |
• A.J. Gil | played | 2 Episodes | |
• R.J. Helton | played | 2 Episodes | |
• EJay Day | played | 2 Episodes | |
• Ryan Malcolm | played | 2 Episodes | |
• Guy Sebastian | played | 2 Episodes | |
• Ken Warwick | played | 2 Episodes | |
• Nigel Lythgoe | played | 2 Episodes | |
• Paul Anka | played | 2 Episodes | |
• Leah LaBelle | played | 2 Episodes | |
• Diana Ross | played | 2 Episodes | |
• Ben Stiller | played | 2 Episodes | |
• David Hasselhoff | played | 2 Episodes | |
• Aretha Franklin | played | 2 Episodes | |
• Kenny Rogers | played | 2 Episodes | |
• Jon Bon Jovi | played | 2 Episodes | |
• Queen Latifah | played | 2 Episodes | |
• Joe Perry | played | 2 Episodes | |
• Lionel Richie | played | 2 Episodes | |
• Steve Van Zandt | played | 2 Episodes | |
• William Hung | played | 2 Episodes | |
• Fergie | played | 2 Episodes | |
• Neil Patrick Harris | played | 2 Episodes | |
• Michael Rapaport | played | 2 Episodes | |
• Teri Hatcher | played | 2 Episodes | |
• Robin Gibb | played | 2 Episodes | |
• Randy Travis | played | 2 Episodes | |
• Jimmy Kimmel | played | 2 Episodes | |
• Kristin Chenoweth | played | 2 Episodes | |
• KISS | played | 2 Episodes | |
• Jussie Smollett | played | 2 Episodes | |
• Reba McEntire | played | 2 Episodes | |
• Kimberly Caldwell | played | 2 Episodes | |
• Travis Barker | played | 2 Episodes | |
• Joss Stone | played | 2 Episodes | |
• Peter Noone | played | 2 Episodes | |
• Michael Bublé | played | 2 Episodes | |
• Dolly Parton | played | 2 Episodes | |
• Kenny Loggins | played | 2 Episodes | |
• Usher | played | 2 Episodes | |
• Shakira | played | 2 Episodes | |
• Marc Anthony | played | 2 Episodes | |
• Annie Lennox | played | 2 Episodes | |
• Seal | played | 2 Episodes | |
• Rod Stewart | played | 2 Episodes | |
• Lisa Marie Presley | played | 2 Episodes | |
• Kenneth 'Babyface' Edmonds | played | 2 Episodes | |
• Brian May | played | 2 Episodes | |
• Priscilla Presley | played | 2 Episodes | |
• Andrew Lloyd Webber | played | 2 Episodes | |
• Andrea Bocelli | played | 2 Episodes | |
• Barack Obama | played | 2 Episodes | |
• Ne-Yo | played | 2 Episodes | |
• Chris Brown (2) | played | 2 Episodes | |
• Queen | played | 2 Episodes | |
• Michael Sandeki | played | 2 Episodes | |
• Blake Lewis | played | 2 Episodes | |
• Melinda Doolittle | played | 2 Episodes | |
• Michael McDonald (2) | played | 2 Episodes | |
• Roger Taylor (2) | played | 2 Episodes | |
• OneRepublic | played | 2 Episodes | |
• Jason Castro | played | 2 Episodes | |
• Michael Johns | played | 2 Episodes | |
• Jessica Sanchez | played | 2 Episodes | |
• Matt Giraud | played | 2 Episodes | |
• Justin Bieber | played | 2 Episodes | |
• Janelle Monáe | played | 2 Episodes | |
• Casey James | played | 2 Episodes | |
• Taio Cruz | played | 2 Episodes | |
• Haley Reinhart | played | 2 Episodes | |
• James Durbin | played | 2 Episodes | |
• Casey Abrams | played | 2 Episodes | |
• Stefano Langone | played | 2 Episodes | |
• Carly Rae Jepsen | played | 2 Episodes | |
• Colton Dixon | played | 2 Episodes | |
• Yazz The Greatest | played | 2 Episodes |