Ronan Keating
饰:Himself - Judge
Melanie Brown
饰:Herself - Judge
Natalie Bassingthwaighte
饰:Herself - Judge
Alexandra Burke
饰:Herself - The X Factor UK 2008 Winner
饰:Herself
饰:Himself - Judge
Kesha
饰:Herself - Guest Judge
饰:Themselves - Special Guest
Kamahl
饰:Himself - Audience Member
饰:Himself - Host
Jessica Mauboy
饰:Herself - Performer
Zain Javadd Malik
饰:Himself - One Direction
Sharon Osbourne
饰:Herself
饰:Himself - Guest Judge
饰:Himself - Sunrise
饰:Herself - Audience Member
Kate Ceberano
饰:Herself - Judge
Simon Cowell
饰:Himself - Creator & The X Factor Judge
饰:Himself
Justin Bieber
饰:Himself - Performer
Iggy Azalea
饰:Herself - Judge
Harry Edward Styles
饰:Himself
饰:Herself - Sunrise
饰:Herself - Vocal Coach
饰:Himself - Contestant
Ellie Goulding
饰:Herself - Performer
Stan Walker
饰:Himself
Ashley Evans
饰:Himself - Choreographer
Daniel MacPherson
饰:Himself - Host
Alicia Keys
饰:Herself - Guest Judge
Hozier
饰:Himself - Performer
Shane Lynch
饰:Himself
饰:Himself
饰:Themselves - Choreographer
Susan Boyle
饰:Herself - Special Guest
Rita Ora
饰:Herself - Musical Guest
饰:Herself
Kylie Minogue
饰:Herself - Special Guest
Ed Sheeran
饰:Himself - Special Guest
Jasmine Van den Bogaerde
饰:Herself - Musical Guest
饰:Herself - Contestant
饰:Himself - Judge
Niall James Horan
饰:Himself - One Direction
饰:Contestant
饰:Himself
饰:Herself - Auditionee
Leona Lewis
饰:Herself - Guest Judge
Cordozar Calvin Broadus Jr.
饰:Himself
Robert Peter Maximillian Williams
饰:Himself - Performer
饰:Himself
饰:Himself - Special Guest
饰:Themselves - Special Guest
Louis Tomlinson
饰:Himself - One Direction
Malcolm David Kelley
饰:Himself - Guest
Alice Cooper
饰:Himself - Guest Mentor
饰:Herself
饰:Himself - Auditionee
饰:Herself - Performer
Chris Isaak
饰:Himself - Judge
Aston Merrygold
饰:Himself - Performer
饰:Himself
Liam Payne
饰:Himself - One Direction
Nicole Scherzinger
饰:Herself - The X Factor Judge
饰:Himself
One Direction
饰:Themselves - Guest Judge
饰:Himself - Contestant
Hilary Duff
饰:Herself - Performer
Beyoncé Giselle Knowles
饰:Herself - Guest Judge
Pink
饰:Herself - Special Guest
Guy Sebastian
饰:Himself - Judge
Jason Derulo
饰:Himself - Guest Judge
饰:Himself - Judge
Richard Branson
饰:Himself
Dannii Minogue
饰:Herself - Judge
饰:Himself - The X Factor UK Judge
Kelly Clarkson
饰:Herself - Special Guest
James Blunt
饰:Himself - Judge
饰:Performer for Reece Mastin
饰:Himself - Contestant
饰:Herself
饰:Herself - Special Guest
Kelendria Kelly Rowland
饰:Herself
饰:Himself - Contestant
Stephen Belafonte
饰:Himself - Guest Judge
Michael Bolton
饰:Himself - Special Guest
Shawn Mendes
饰:Himself - Performer
饰:Himself
饰:Herself - Special Guest
饰:Himself
饰:Himself
饰:Himself - Performer
Adam Mitchel Anselm Lambert
饰:Himself - Judge
饰:Himself - Choreographer
Usher Raymond IV
饰:Himself - Guest Judge
饰:Themselves - Guest Judge
Melanie Chisholm
饰:Herself - Guest Judge
Natalie Imbruglia
饰:Herself - Judge
饰:Himself
Psy
饰:Himself - Special Guest
Stevie Nicks
饰:Herself - Special Guest
Lupe Fiasco
饰:Himself - Musical Guest
饰:Audience Member
Bryan Adams
饰:Himself - Special Guest
Simon Cowell
Igor Smiljevic
Florian Wieder