Judge

Katy Perry

Self - Host

Ryan Seacrest

Judge

Luke Bryan

Judge

Lionel Richie

Self - Judge

Randy Jackson

Self - Judge

Simon Cowell

Contestant

Madison VanDenburg

Self - Judge

Paula Abdul

Contestant

Shawn Robinson

Self - Judge / Self - Performer

Jennifer Lopez

Contestant

Eddie Island

Self - Judge

Keith Urban

Contestant

Evelyn Cormier

Self - Judge

Harry Connick Jr.

Contestant

Alyssa Raghu

Self - Judge

Kara DioGuardi

Contestant

Ryan Hammond

Self - Judge

Steven Tyler

Contestant

Raquel Trinidad

Self - Judge / Self

Ellen DeGeneres

Contestant

Logan Johnson

Self - Judge / Self / Self - Mentor

Mariah Carey

Contestant

Dimitrius Graham

Self - Judge / Self - Performer

Nicki Minaj

Contestant

Riley Thompson

Self - Contestant / Self / Self - Auditionee

Phillip Phillips

Contestant

Walker Burroughs

Self / Self - Guest Performer / Self - Contestant

Kimberley Locke

Contestant

Bumbly

Self - Host

Brian Dunkleman

Contestant

Ashley Hess

Self / Self - Contestant

Katie Stevens

Contestant

Alejandro Aranda

Self - Contestant / Self

Todrick Hall

Contestant

Laine Hardy

Self / Self - Contestant / Self - Musical Guest

Jennifer Hudson

Contestant

Kate Barnette

Self - Contestant / Self

Peter Frank

Contestant

Uché

Self / Self - Contestant

Chris Daughtry

Contestant

Jeremiah Lloyd Harmon

Self / Self - Contestant

Jon Peter Lewis

Contestant

Laci Kaye Booth

Self - Guest Host / Self - Contestant / Self - Guest

Clay Aiken

Contestant

Wade Cota

Self - Contestant / Self - Guest

Tamyra Gray

Self / Self - Performer / Self - Guest

Carrie Underwood