Judge
Katy Perry
Self - Host
Ryan Seacrest
Judge
Luke Bryan
Judge
Lionel Richie
Self - Judge
Randy Jackson
Self - Judge
Simon Cowell
Contestant
Aliana Jester
Self - Judge
Paula Abdul
Contestant
Arthur Gunn
Self - Judge
Jennifer Lopez
Contestant
Cyniah Elise
Self - Judge
Keith Urban
Contestant
DeWayne Crocker Jr.
Self - Judge
Harry Connick Jr.
Self - Judge
Kara DioGuardi
Contestant
Dillon James
Contestant
Faith Becnel
Self - Judge
Steven Tyler
Contestant
Francisco Martin
Self - Judge / Self
Ellen DeGeneres
Contestant
Franklin Boone
Self - Judge / Self / Self - Mentor
Mariah Carey
Contestant
Grace Leer
Self - Judge
Nicki Minaj
Contestant
Jonny West
Self / Self - Guest Performer
Kimberley Locke
Contestant
Jovin Webb
Self - Host
Brian Dunkleman
Contestant
Julia Gargano
Self / Self - Contestant
Katie Stevens
Contestant
Just Sam
Self - Contestant / Self
Todrick Hall
Contestant
Kimmy Gabriela
Self
Chris Daughtry
Contestant
Lauren Spencer-Smith
Self - Guest Host / Self - Guest / Self - Audience Member
Clay Aiken
Contestant
Louis Knight
Self / Self - Musical Guest
Jennifer Hudson
Self - Contestant
Ada Vox
Contestant
Makayla Phillips
Contestant
Nick Merico
Contestant
Olivia Ximines
Contestant
Sophia Wackerman