Jonathan Bullen
Phil Heyes
饰:Himself - Judge
Simon Cowell
饰:Himself - Judge
Dermot O'Leary
饰:Himself - Presenter
Sharon Osbourne
饰:Herself - Judge
Dannii Minogue
饰:Herself - Judge
Cheryl Tweedy
饰:Herself - Judge
Peter Dickson
饰:Himself - Voice Over
Brian Friedman
饰:Himself - Creative Director
饰:Herself - Presenter
Alexandra Burke
饰:Herself - Contestant
Leona Lewis
饰:Herself - Contestant
Jack the Lad Swing
饰:Themselves - Contestants
Aston Merrygold
饰:Himself
Eoghan Quigg
饰:Himself - Contestant
Joe McElderry
饰:Himself - Contestant
Olly Murs
饰:Himself - Contestant
Stacey Solomon
饰:Herself - Contestant
Danyl Johnson
饰:Himself - Contestant
Ray Quinn
饰:Himself - Contestant
Diana Vickers
饰:Herself - Contestant
Ben Mills
饰:Himself - Contestant
Ruth Lorenzo
饰:Herself - Contestant
Lloyd Daniels
饰:Himself - Contestant
Rachel Hylton
饰:Herself - Contestant
Jedward
饰:Themselves - Contestants
Yvie Burnett
饰:Herself - Vocal Coach
Austin Drage
饰:Himself - Contestant
Daniel Evans
饰:Himself - Contestant
Jamie Archer
饰:Himself - Contestant
Andrew Osbourne
饰:Dancer
Lucie Jones
饰:Herself - Contestant
Laura White
饰:Herself - Contestant
Robert Allen
饰:Himself - Contestant
Rachel Adedeji
饰:Herself - Contestant
Charlotte Ellen Price
饰:Lead dancer
Kian Egan
饰:Himself - Judges` Expert
Nikitta Angus
饰:Herself - Contestant
Scott Bruton
饰:Himself - Contestant
Girlband
饰:Themselves - Contestants
Sinitta Renet
饰:Herself - Judges` Expert
Ramon Christian
饰:Principal dancer
Miss Frank
饰:Themselves - Contestants
Ashley McKenzie
饰:Himself - Contestant
Rikki Loney
饰:Himself - Contestant
Jeff Brazier
饰:Himself - OB Presenter
Shane Steven Filan
饰:Himself - Special Guest
Nicola Dawn
饰:Herself - Contestant
Liz Ewing
饰:Herself - Contestant
Drew Jaymson
饰:Himself - Contestant
Kerry McGregor
饰:Herself - Contestant
Andrew Newey
饰:Himself - Contestant
Tom Newman
饰:Himself - Contestant
Lucy Newton
饰:Herself - Contestant
Bad Lashes
饰:Themselves - Contestants
Dionne Mitchell
饰:Herself - Contestant
Kandy Rain
饰:Themselves - Contestants
Michael Underwood
饰:Himself - OB Presenter
Nicky Byrne
饰:Himself - Special Guest
Markus Michael Patrick Feehily
饰:Himself - Special Guest
Michael Steven Bublé
饰:Himself - Special Guest
Rhydian Roberts
饰:Himself - Contestant
Sean Smith
饰:Themselves - Contestants
Mollie King
饰:Herself
Azi Jegbefume
饰:Herself
Daniel Pearce
饰:Himself - Contestant
Ronan Keating
饰:Himself - Guest Judge
饰:Himself - Judges` Expert
Kylie Minogue
饰:Herself - Guest Judge
Myleene Klass
饰:Herself - OB Presenter
Will Young
饰:Himself - Guest Judge
Adrian Williams
饰:Himself - Judges` Expert
Kimberley Walsh
饰:Herself - Judges` Expert
Robert Peter Maximillian Williams
饰:Himself
Leon Jackson
饰:Himself - Contestant
饰:Herself - Contestant
Nicole Scherzinger
饰:Herself - Judges` Expert
Mariah Carey
饰:Herself - Special Guest
Gary Barlow
饰:Himself
饰:Himself
饰:Himself
饰:Himself
Sarah Harding
饰:Herself
Bobbi Aney
饰:Herself
Fallen Angelz
饰:Themselves
Nikki Wills
饰:Herself
Annastasia Baker
饰:Herself - Contestant
Treyc Cohen
饰:Herself - Contestant
Paula Abdul
饰:Herself - Guest Judge
Tony Bennett
饰:Himself - Special Guest
Barry Manilow
饰:Himself - Special Guest
Lionel Richie
饰:Himself - Special Guest
Rod Stewart
饰:Himself - Special Guest
Björn Ulvaeus
饰:Himself - Special Guest
Il Divo
饰:Themselves - Special Guests
Jason Donovan
饰:Himself - Special Guest
Emma Bunton
饰:Herself - Judges` Expert
Beyoncé Giselle Knowles
饰:Herself
Katherine Jenkins
饰:Herself - Special Guest
Terry Ronald
饰:Himself - Judges` Expert
饰:Himself - Special Guest
Stephen Gately
饰:Himself - Special Guest
饰:Himself - Special Guest
Shane Lynch
饰:Himself - Special Guest
Brian May
饰:Himself - Special Guest
Roger Meddows Taylor
饰:Himself - Special Guest
Whitney Houston
饰:Herself - Special Guest
Georgios Kyriacos Panayotou
饰:Himself - Special Guest
Kym Ryder
饰:Herself - OB Presenter
Danny McCall
饰:Himself - Contestant
Brooke Challinor
饰:Herself - Contestant
Lucie Kay
饰:Herself - Contestant
Sophie King
饰:Herself - Contestant
Dolly Rockers
饰:Themselves - Contestants
Alisha Bennett
饰:Herself - Contestant
Phoebe Brown
饰:Herself - Contestant
Daniel DeBourg
饰:Himself - Contestant
Céline Dion
饰:Herself - Special Guest
Niki Evans
饰:Herself - Contestant
Raquelle Gracie
饰:Herself - Contestant
Leah Lauder
饰:Herself - Contestant
Charlie Mole
饰:Herself - Contestant
Emily Nakanda
饰:Herself - Contestant
Marcello D. Ramos
饰:Acrobat
Kimberley Southwick
饰:Herself - Contestant
Beverley Trotman
饰:Herself - Contestant
Andy Williams
饰:Himself - Contestant
Liam Payne
饰:Himself - Contestant
Marina Berry
饰:Herself - Contestant
Maiken Kroken
饰:Herself - Contestant
饰:Himself
饰:Himself
Tabby Callaghan
饰:Himself
Corene Campbell
饰:Herself
Grace Campbell
饰:Herself
Hildia Cambell
饰:Herself
饰:Himself
Cassie Compton
饰:Herself
饰:Herself
Peter Jones
饰:Himself
Verity Keays
饰:Herself
Terry Longden
饰:Himself
Emma Paine
饰:Herself
Rowetta
饰:Herself
Andy Steed
饰:Himself
饰:Himself
Ben Thapa
饰:Himself
Andy Abraham
饰:Himself
Laura Conway
饰:Herself
Marie Conway
饰:Herself
Sharon Conway
饰:Herself
Sinead Conway
饰:Herself
Nicholas Dorsett
饰:Himself
Fleur East
饰:Herself
Brenda Edwards
饰:Herself
Anthony Hannides
饰:Himself
Philip Kemish
饰:Himself
Maria Lawson
饰:Herself
Nicola Owusu-Akontoh
饰:Herself
饰:Himself
饰:Himself
Simon Vitsaides
饰:Himself
Shayne Ward
饰:Himself
饰:Herself - Contestant
William James Adams Jr.
饰:Himself - Judges' Expert
Miley Cyrus
饰:Herself - Special Guest
Lea Michele
饰:Herself - Special Guest
饰:Himself - Contestant
Naya Marie Rivera
饰:Herself - Special Guest
饰:Himself
饰:Himself - Contestant
Paloma Faith
饰:Herself - Guest Artist
Shawn Mendes
饰:Himself - Performer
饰:Himself - Contestant
Janet Devlin
Nicole Appleton
饰:Herself - Guest Mentor
饰:Himself - Auditionee
Shakira Isabel Mebarak Ripoll
饰:Herself - Special Guest
James Arthur
饰:Himself - Contestant
饰:Himself - Contestant
Gloria Estefan
饰:Herself - Performer
Elton John
饰:Himself - Special Guest
Lucy Spraggan
饰:Herself - Contestant
Nikki Tuazon
饰:Dancer
Katy Perry
饰:Herself - Special Guest
饰:Herself - Contestant
Geri Halliwell
饰:Herself - Guest Judge
饰:Herself - Contestant
Cher
饰:Herself - Special Guest
饰:Herself - Audience Member
Eileen Daly
饰:Herself - Contestant
Paul Anka
饰:Himself - Adviser
饰:Themselves - Contestants
Susan Boyle
饰:Herself - Special Guest
饰:Herself - Contestant
饰:Themselves - Auditionees
Natalie Imbruglia
饰:Herself - Judges' Expert
饰:Herself - OB Presenter
David Walliams
饰:Himself - Audience Member
Christina Aguilera
饰:Herself - Special Guest
Matt Johnson
饰:Himself - Auditionee
William Rush
饰:Himself - Contestant
饰:Herself - OB Presenter
Rupert Grint
饰:Himself
Jack Osbourne
饰:Himself
饰:Themselves - Special Guest
饰:Himself
饰:Themselves - Contestants
John Legend
饰:Himself
The Saturdays
饰:Themselves
饰:Herself - Contestant
饰:Herself - Contestant
Jenna Ushkowitz
饰:Herself - Special Guest
Kelly Clarkson
饰:Herself - Special Guest
饰:Herself - Special Guest
饰:Himself
饰:Himself
Mark Daniel Ronson
饰:Himself - Guest Mentor
Taylor Lautner
饰:Himself - Red Carpet Attendee
饰:Blogger
Sir James Paul McCartney CH MBE
饰:Himself - Special Guest
Zain Javadd Malik
饰:Himself - Contestant
Clive Davis
饰:Himself - Special Guest
James Bellamy
饰:Himself - Contestant
Harry Shum Jr.
饰:Himself - Special Guest
饰:Himself - Contestant
饰:Herself - Contestant
饰:Himself - Contestant
饰:Herself - Contestant
Jennifer Hudson
饰:Herself - Judges' Expert
饰:Herself - Contestant
Anastacia
饰:Herself - Guest Judge
Mica Mika Penniman
饰:Himself - Guest Judge
Gary Lightbody
饰:Himself - Special Guest
RobinCharlesThicke
饰:Himself - Special Guest
Michelle Keegan
饰:Herself - OB Presenter
Bryan Adams
饰:Himself - Special Guest
Daniel Radcliffe
饰:Himself
Professor Green
饰:Himself - Special Guest
饰:Himself - Contestant
饰:Himself - Principle Dancer
Max George
饰:Himself - Auditionee
饰:Herself - Guest Mentor
Kenneth 'Babyface' Edmonds
饰:Himself
饰:Themselves - Contestants
Jane Lynch
饰:Sue Sylvester
Lorna Bliss
饰:Herself - Auditionee
Chord Paul Overstreet
饰:Himself - Special Guest
Niall James Horan
饰:Himself - Special Guest
饰:Himself - Emma's dad
饰:Herself - Contestant
Alicia Keys
饰:Herself - Special Guest
Jon Bon Jovi
饰:Himself
饰:Themselves - Contestants
Jennifer Lawrence
饰:Herself - Guest
Stefani Joanne Angelina Germanotta
饰:Herself - Special Guest
Denis Khoroshko
饰:Himself - Contestant
Amber Patrice Riley
饰:Herself - Special Guest
David Guetta
饰:Himself - Special Guest
Boris Becker
饰:Himself - Red Carpet Attendee
饰:Himself - OB Presenter
饰:Herself - Auditionee
Michael Bolton
饰:Himself
饰:Themselves - Contestants
饰:Herself - Contestant
饰:Herself - Auditionee
Sam Claflin
饰:Himself - Red Carpet Attendee
饰:Herself - Contestant
Randy Jackson
饰:Himself - Adviser
Ryan Tedder
饰:Himself - Special Guest
Meghan Trainor
饰:Herself - Guest Mentor
Emma Watson
饰:Herself
Heather·Elizabeth·Morris
饰:Brittany S Pierce
饰:Herself - Contestant
Janet Jackson
饰:Herself - Special Guest
Seal Henry Samuel Seal
饰:Himself
Rita Ora
Dianna Agron
饰:Herself - Guest
Usher Raymond IV
饰:Himself - Special Guest
Robert Pattinson
饰:Himself - Red Carpet Attendee
Ryan Seacrest
饰:Himself - Adviser
Liam Neeson
饰:Himself - Red Carpet Attendee
饰:Lady Gaga Dancer
Ozzy Osbourne
饰:Himself
Taylor Swift
饰:Herself - Special Guest
Ayda Field
饰:Herself - Judge
饰:Themselves - Special Guest
Nathan Sykes
饰:Himself - Performer
Melanie Brown
饰:Herself - Judge
Matthew Morrison
饰:Will Schuester
饰:Themselves
Pink
饰:Herself - Performer
Danny O'Donoghue
饰:Himself - Special Guest
Idina Menzel
饰:Herself - Special Guest
Nick Grimshaw
饰:Himself - Judge
Wyclef Jean
饰:Himself - Performer
Boys II Men
饰:Themselves - Special Guests
Chloe Khan
饰:Herself - Contestant
Louis Tomlinson
饰:Himself - Judge
饰:Himself - Audience Member
饰:Herself - Lead Dancer
Delta Goodrem
饰:Herself - Special Guest
Harry Hill
饰:Himself - Audience Member
Kian Egan
饰:Himself - Judges' Expert
One Direction
饰:Themselves - Contestants
Stacy Ferguson
饰:Herself - Guest Artist
饰:Herself - Contestant
Jessie J
饰:Herself - Special Guest
饰:Backing vocalist
饰:Himself - Auditionee
饰:Themselves - Contestants
Ne-Yo
饰:Himself - Guest Mentor
Cee-Lo Green
饰:Himself - Guest Artist
Pixie Lott
饰:Herself - Guest Judge
Britney Jean Spears
饰:Herself - Special Guest
饰:Herself - Contestant
Ollie Marland
饰:Himself - Contestant
Nile Rodgers
饰:Himself - Judge
饰:Himself - OB Presenter
饰:Herself - Auditionee
饰:Himself - Contestant
饰:Herself - Contestant
饰:Himself - Performer
Cory Allan Michae
饰:Finn Hudson
Alesha Dixon
饰:Herself - Guest Judge
Jordan Luke Gage
饰:Himself - Contestant
Sinitta Renay
Adam Mitchel Anselm Lambert
饰:Himself
饰:Himself - Audience Member
Mackenzie Sol
饰:Himself - Auditionee
Lara Stone
饰:Herself - Audience Member
饰:Himself - Contestant
Adam Levine
饰:Himself - Special Guest
饰:Herself - Contestant
Robyn Rihanna Fenty
饰:Herself - Special Guest
Ellie Goulding
饰:Herself - Special Guest
饰:Himself - Special Guest
Kevin Mchale
饰:Artie Abrams
Harry Edward Styles
饰:Himself - Contestant
饰:Herself - Judges' Expert
Justin Bieber
饰:Himself - Special Guest
Ashley Ashida Dixon
饰:Dancer
Bob Geldof
饰:Himself - Special Guest
饰:Herself - Contestant
饰:Themselves - Contestant
Kelly Osbourne
饰:Herself
饰:Herself - Auditionee
Richard Holloway
饰:Himself - The X Factor Executive Producer
饰:Himself
饰:Himself - Contestant
Mary J. Blige
饰:Herself - Guest Mentor
饰:Himself - Contestant
Kelendria Kelly Rowland
Craig Ashley David
饰:Himself - Performer
Sam Smith
饰:Himself - Special Guest
饰:Herself - Contestant
Bruno Mars
饰:Himself - Special Guest
饰:Themselves - Performers
Ed Sheeran
饰:Himself - Special Guest
Pharrell Lanscilo Williams
饰:Himself - Special Guest
饰:Herself - Contestant
饰:Herself - Contestant
Demi Lovato
饰:Herself - Special Guest
饰:Herself - Auditionee
Jay Worley
饰:Himself - Contestant
Mark Wayne Salling
饰:Himself - Special Guest
饰:Himself - Dancer
Diane Warren
饰:Herself - Adviser
Ivor Baddiel
Florian Wieder
Brahim Fouradi
John Modi
Yvie Burnett
Simon Cowell
Eliot Kennedy
Sean Douglas
Florian Wieder
Laurie Rose
Florian Wieder
Chaz Johnson
Quentin Tarantino
Frankie Fenton
Tiana Brown
Jill English
Billie Higson
Jason Beitel
Julian Hart