Host
Ryan Seacrest
Judge
Randy Jackson
Self - Judge
Paula Abdul
Self - Judge
Simon Cowell
Contestant
David Archuleta
Contestant
Colton Berry
Self - Judge
Jennifer Lopez
Self - Judge
Keith Urban
Contestant
Joanne Borgella
Contestant
Robbie Carrico
Self - Judge
Harry Connick Jr.
Contestant
Jason Castro
Self - Judge
Kara DioGuardi
Contestant
David Cook
Self - Judge
Steven Tyler
Self - Judge / Self
Ellen DeGeneres
Contestant
Kristy Lee Cook
Self - Judge / Self / Self - Mentor
Mariah Carey
Contestant
Amy Davis
Contestant
Asia'h Epperson
Self - Judge
Nicki Minaj
Self / Self - Guest Performer
Kimberley Locke
Contestant
Chikezie Eze
Self - Host
Brian Dunkleman
Contestant
Garrett Haley
Contestant
David Hernandez
Self / Self - Contestant
Katie Stevens
Contestant
Michael Johns
Self - Contestant / Self
Todrick Hall
Self
Chris Daughtry
Contestant
Alexandréa Lushington
Self - Guest Host / Self - Guest / Self - Audience Member
Clay Aiken
Contestant
Kady Malloy
Self / Self - Musical Guest
Jennifer Hudson
Contestant
Ramiele Malubay
Self - Contestant
Ada Vox
Contestant
Luke Menard
Contestant
Syesha Mercado
Contestant
Danny Noriega
Contestant
Amanda Overmyer
Contestant
Carly Smithson
Contestant
Alaina Whitaker
Contestant
Brooke White
Contestant
Jason Yeager