Full cast of American Idol

Ryan Seacrest

Self - Host

567 episodes

Randy Jackson

Self - Judge

474 episodes

Simon Cowell

Self - Judge

358 episodes

Paula Abdul

Self - Judge

315 episodes

Jennifer Lopez

Self - Judge / Self - Performer

173 episodes

Keith Urban

Self - Judge

130 episodes

Harry Connick Jr.

Self - Judge

93 episodes

Kara DioGuardi

Self - Judge

83 episodes

Steven Tyler

Self - Judge

79 episodes

Ellen DeGeneres

Self - Judge / Self

44 episodes

Mariah Carey

Self - Judge / Self / Self - Mentor

40 episodes

Nicki Minaj

Self - Judge / Self - Performer

38 episodes

Phillip Phillips

Self - Contestant / Self / Self - Auditionee / Self - Guest Performer

32 episodes

Kimberley Locke

Self / Self - Guest Performer / Self - Contestant

31 episodes

Brian Dunkleman

Self - Host

25 episodes

Katie Stevens

Self / Self - Contestant

18 episodes

Todrick Hall

Self - Contestant / Self

10 episodes

Jennifer Hudson

Self / Self - Contestant / Self - Musical Guest / Self - Performer

7 episodes

Peter Frank

Self - Contestant / Self

7 episodes

Chris Daughtry

Self / Self - Contestant

5 episodes

Jon Peter Lewis

Self / Self - Contestant

5 episodes

Clay Aiken

Self - Guest Host / Self - Contestant / Self - Guest / Self - Audience Member

5 episodes

Tamyra Gray

Self - Contestant / Self - Guest

5 episodes

Carrie Underwood

Self / Self - Contestant / Self - Performer / Self - Guest

5 episodes

Ryan Starr

Self - Contestant / Self

4 episodes

Kelly Clarkson

Self - Guest / Self / Self - Contestant

4 episodes

George Huff

Self / Self - Contestant

4 episodes

Kellie Pickler

Self / Self - Contestant / Self - Performer

4 episodes

Camile Velasco

Self / Self - Contestant

4 episodes

Jim Verraros

Self - Contestant / Self

4 episodes

Jasmine Trias

Self / Self - Contestant

4 episodes

Jordin Sparks

Self - Performer / Self - Contestant / Self

4 episodes

John Stevens

Self / Self - Contestant

4 episodes

Ada Vox

Self - Contestant

4 episodes

Ruben Studdard

Self - Audience Member / Self - Contestant / Self - Guest / Self

4 episodes

Arianna Afsar

Self - Contestant

4 episodes

Barry Manilow

Self - Guest Judge

3 episodes

David Foster

Self - Guest Performer

3 episodes

Elliott Yamin

Self / Self - Contestant

3 episodes

Gwen Stefani

Self / Self - Guest Performer

3 episodes

Tony Bennett

Self / Self - Guest Star

3 episodes

Neil Diamond

Self - Performer / Self - Mentor

3 episodes

Nikki McKibbin

Self - Contestant / Self

3 episodes

Bono

Self

3 episodes

Bo Bice

Self - Contestant / Self - Guest / Self

3 episodes

Taylor Hicks

Self / Self - Contestant

3 episodes

EJay Day

Self - Contestant / Self

3 episodes

LaToya London

Self / Self - Contestant

3 episodes

Trevor Douglas

Self - Contestant

3 episodes

David Cook

Self - Performer / Self - Contestant / Self

3 episodes

Fantasia Barrino

Self / Self - Performer / Self - Contestant

3 episodes

Antonella Barba

Self / Self - Contestant

3 episodes

Mary J. Blige

Self - Mentor / Self - Performer / Self - Guest

3 episodes

Scotty McCreery

Self - Performer / Self - Contestant

3 episodes

Stevie Wonder

Self - Guest Performer

2 episodes

Kenny Rogers

Self

2 episodes

Martina McBride

Self - Guest Performer

2 episodes

Jon Bon Jovi

Self - Guest Performer

2 episodes

Reese Witherspoon

Self

2 episodes

Diana Ross

Self - Guest Performer

2 episodes

Fergie

Self

2 episodes

Andrea Bocelli

Self - Guest Performer

2 episodes

Lulu

Self - Guest Performer / Self

2 episodes

Barry Gibb

Self / Guest Performer / Self

2 episodes

Gladys Knight

Self / Self - Guest Judge

2 episodes

Dolly Parton

Self - Guest / Mentor / Self - Guest Performer

2 episodes

Jesse Spencer

Self

2 episodes

Ben Stiller

Self

2 episodes

Peter Noone

Self / Self - Guest Performer

2 episodes

Smokey Robinson

Self - Guest Judge / Self

2 episodes

Lisa Tucker

Self / Self - Contestant

2 episodes

Will Makar

Self - Contestant / Self

2 episodes

Ace Young

Self / Self - Contestant

2 episodes

Nikko Smith

Self / Self - Contestant

2 episodes

Seal

Self / Self - Performer

2 episodes

Hugh Laurie

Self

2 episodes

Katharine McPhee

Self - Guest Performer / Self - Contestant

2 episodes

Christina Christian

Self / Self - Contestant

2 episodes

Anthony Fedorov

Self / Self - Contestant

2 episodes

R. J. Helton

Self - Contestant / Self

2 episodes

Diana DeGarmo

Self - Contestant / Self

2 episodes

Kimberly Caldwell

Self - Guest Host / Self - Contestant

2 episodes

Kristin Adams

Self

2 episodes

Justin Guarini

Self - Contestant

2 episodes

Katie Webber

Self - Contestant

2 episodes

Leah LaBelle

Self - Contestant

2 episodes

Gina Glocksen

Self - Contestant

2 episodes

Kris Allen

Self - Performer / Self - Contestant

2 episodes

Haley Reinhart

Self - Contestant / Self - Performer

2 episodes

James Durbin

Self - Performer / Self - Contestant

2 episodes

Lauren Alaina

Self - Performer / Self - Contestant

2 episodes

Adam Lambert

Self - Performer / Self - Contestant

2 episodes

Shakira

Self - Guest Performer

1 episode

Heather Locklear

Self

1 episode

Lamont Dozier

Self - Guest Judge

1 episode

Olivia Newton-John

Self - Guest Judge

1 episode

Verdine White

Self - Guest Judge

1 episode

Lionel Richie

Self - Guest Judge

1 episode

Billy Joel

Self

1 episode

Diane Warren

Self - Guest Judge

1 episode

Neil Sedaka

Self - Guest Judge

1 episode

Robin Gibb

Self - Guest Judge

1 episode

Steven Cojocaru

Self

1 episode

Elton John

Self - Mentor

1 episode

Jason Priestley

Self

1 episode

Mark McGrath

Self - Guest Judge

1 episode

Gene Simmons

Self - Guest Judge

1 episode

LL Cool J

Self - Guest Judge

1 episode

Queen Latifah

Self

1 episode

Rod Stewart

Self - Guest Performer

1 episode

Tori Spelling

Self

1 episode

Melissa Gilbert

Self

1 episode

Rebecca Romijn

Self

1 episode

Clive Davis

Self

1 episode

Todd Bridges

Self

1 episode

Meat Loaf

Self - Guest

1 episode

Jewel

Self - Guest Judge

1 episode

Anita Barone

Self

1 episode

Robin Thicke

Self - Performer

1 episode

Andrew Lloyd Webber

Self - Mentor

1 episode

Bette Midler

Self

1 episode

Blake Lewis

Self

1 episode

Céline Dion

Self

1 episode

Natasha Bedingfield

Self - Performer

1 episode

Graham Nash

Self - Performer

1 episode

Rihanna

Self - Performer

1 episode

Kenny G

Self - Guest

1 episode

Amaury Nolasco

Self

1 episode

Jerry O'Connell

Self

1 episode

Gavin DeGraw

Self

1 episode

Daniel Powter

Self

1 episode

LeBron James

Self

1 episode

P!nk

Self

1 episode

John Legend

Self

1 episode

Sasha Cohen

Self

1 episode

Jeri Ryan

Self

1 episode

Mandy Moore

Self

1 episode

Burt Bacharach

Self - Guest

1 episode

Doug E. Fresh

Self

1 episode

Eli Manning

Self

1 episode

Christina Applegate

Self

1 episode

Al Jarreau

Self - Guest

1 episode

Micky Dolenz

Self

1 episode

George Michael

Self - Performer

1 episode

Jimmy Kimmel

Self - Performer

1 episode

Jane Kaczmarek

Self - Audience Member (uncredited)

1 episode

Dionne Warwick

Self - Guest

1 episode

Marc Anthony

Self

1 episode

Annie Lennox

Self

1 episode

Paul Anka

Self - Guest

1 episode

Prince

Self - Guest

1 episode

Matt Damon

Self

1 episode

Guy Sebastian

Self - Audience Member (uncredited)

1 episode

A. J. Gil

Self

1 episode

Joel Madden

Self

1 episode

BeBe Winans

Self

1 episode

Peyton Manning

Self

1 episode

Helen Mirren

Self

1 episode

John McCain

Self

1 episode

Wolfgang Puck

Self

1 episode

Helena Bonham Carter

Self

1 episode

Brad Pitt

Self

1 episode

CeCe Winans

Self

1 episode

David Boreanaz

Self

1 episode

Kevin McNally

Self

1 episode

Harvey Weinstein

Self

1 episode

Hillary Clinton

Self

1 episode

Hugh Grant

Self

1 episode

Henry Winkler

Self - Audience Member (uncredited)

1 episode

Shaquille O'Neal

Self

1 episode

Ray Romano

Self - Interviewee / Audience Member

1 episode

Kyle Gass

Self

1 episode

Robin Williams

Ivan 'Bob' Poppanoff the 'Russian Idol'

1 episode

Sharon Osbourne

Self - Interviewee / Audience Member

1 episode

Keira Knightley

Self

1 episode

Kiefer Sutherland

Self

1 episode

Josh Groban

Self

1 episode

Snoop Dogg

Self

1 episode

Parminder Nagra

Self

1 episode

Chris Kattan

Self

1 episode

Twiggy

Self

1 episode

Ewan McGregor

Self

1 episode

Sarah Michelle Gellar

Self

1 episode

Rob Lowe

Self

1 episode

Jason Biggs

Self

1 episode

Forest Whitaker

Self

1 episode

Phil McGraw

Self

1 episode

Antonio Banderas

Self

1 episode

Tom Cruise

Self

1 episode

Rob Schneider

Self

1 episode

Goldie Hawn

Self

1 episode

Lisa Kudrow

Self

1 episode

Gwyneth Paltrow

Self

1 episode

Benji Madden

Self

1 episode

Gillian Anderson

Self

1 episode

Teri Hatcher

Self

1 episode

Eric McCormack

Self

1 episode

Bernadette Peters

Self

1 episode

Jack Black

Self

1 episode

Kevin Bacon

Self

1 episode

Lady Gaga

Self

1 episode

Emily Blunt

Self

1 episode

Kenny Loggins

Self - Guest Judge

1 episode

Kenny Wayne Shepherd

Self - Guest

1 episode

Amy Adams

Self

1 episode

Eric Anthony Lopez

Self - Auditionee

1 episode

Adriel Herrera

Self - Contestant

1 episode

Rodesia Eaves

Self - Contestant

1 episode

Natalie Burge

Self - Contestant

1 episode

Brad Estrin

Self - Contestant

1 episode

Justinn Waddell

Self - Contestant

1 episode

Kelli Glover

Self - Contestant

1 episode

Christopher Aaron

Self - Contestant

1 episode

AJ Gil

Self - Contestant

1 episode

Alexandra Bachelier

Self - Contestant

1 episode

Christina Christian

Self - Contestant

1 episode

R.J. Helton

Self - Contestant

1 episode

Emmy Robbin

Self - Contestant

1 episode

Tenia Taylor

Self - Contestant

1 episode

Maria Lingbanan

Self - Contestant

1 episode

Stephen Silberkraus

Self - Contestant

1 episode

Becky O'Donohue

Self - Contestant

1 episode

Paris Bennett

Self - Contestant

1 episode

Kinnik Sky

Self - Contestant

1 episode

Kevin Covais

Self - Contestant

1 episode

Scott Savol

Self - Contestant

1 episode

Constantine Maroulis

Self - Contestant

1 episode

Lucky Daye

Self - Contestant

1 episode

Anwar Robinson

Self - Contestant

1 episode

Mario Vazquez

Self - Contestant

1 episode

Vonzell Solomon

Self - Contestant

1 episode

Celena Rae

Self - Contestant

1 episode

Mikalah Gordon

Self - Contestant

1 episode

Jessica Sierra

Self - Contestant

1 episode

Aloha Mischeaux

Self - Contestant

1 episode

Matthew Rogers

Self - Contestant

1 episode

Charly Lowry

Self - Contestant

1 episode

John Preator

Self - Contestant

1 episode

Trenyce

Self - Contestant

1 episode

Bettis Richardson

Self - Contestant

1 episode

Charles Grigsby

Self - Contestant

1 episode

Sanjaya Malakar

Self - Contestant

1 episode

LaKisha Jones

Self - Contestant

1 episode

David Anthony Hernandez

Self - Contestant

1 episode

David Archuleta

Self - Contestant

1 episode

Adore Delano

Self - Contestant

1 episode

Jason Castro

Self - Contestant

1 episode

Kristy Lee Cook

Self - Contestant

1 episode

Brooke White

Self - Contestant

1 episode

Asia'h Epperson

Self - Contestant

1 episode

Syesha Mercado

Self - Contestant

1 episode

Jackie Tohn

Self - Contestant

1 episode

Anoop Desai

Self - Contestant

1 episode

Annie Bosko

Self - Contestant

1 episode

Danny Gokey

Self - Contestant

1 episode

Jasmine Murray

Self - Contestant

1 episode

Allison Iraheta

Self - Contestant

1 episode

Kristen McNamara

Self - Contestant

1 episode

Felicia Barton

Self - Contestant

1 episode

Crystal Bowersox

Self - Contestant

1 episode

Stefano Langone

Self - Contestant

1 episode

Jacob Lusk

Self - Contestant

1 episode

Casey Abrams

Self - Contestant

1 episode

Pia Toscano

Self - Contestant

1 episode

Jeremy Rosado

Self - Contestant

1 episode

Joshua Ledet

Self - Contestant

1 episode

Jessica Sanchez

Self - Contestant

1 episode

Valentino Vladimirov

Self - Dancer

1 episode

Lana Del Rey

Self - Performer

1 episode

Stefan Gordy

Self - Performer

1 episode

Brian May

Self

1 episode

Roger Taylor

Self

1 episode

Katy Perry

Self - Performer

1 episode

Chris Martin

Self - Performer

1 episode

Lisa Marie Presley

Self - Performer

1 episode

Jason Derulo

Self - Performer

1 episode

Aerosmith

Selves - Performers

1 episode

Chaka Khan

Self - Performer

1 episode

John Fogerty

Self - Performer

1 episode

Jennifer Holliday

Self - Performer

1 episode

Reba McEntire

Self - Performer

1 episode