Name	Known for
Dermot O'Leary Self - Presenter Self - Presenter See fewer	Inside No. 9 (2014)
Louis Walsh Self - Judge Self - Judge See fewer	Spin the Bottle (2003)
Mel B Self - Judge (as Melanie Brown) Self - Judge (as Melanie Brown) See fewer	Spice World (1997)
Cheryl Self - Judge (as Cheryl Fernandez-Versini) Self - Judge (as Cheryl Fernandez-Versini) See fewer	What to Expect When You're Expecting (2012)
Simon Cowell Self - Judge Self - Judge See fewer	Scary Movie 3 (2003)
Peter Dickson Self (voice) Self (voice) See fewer	Harry Potter for Kinect (2012)
Olly Murs Self - Special Guest Self - Special Guest See fewer	Love, Rosie (2014)
Nicole Scherzinger Self - Special Guest Self - Special Guest See fewer	Moana (I) (2016)
Bob Geldof Self - Special Guest Self - Special Guest See fewer	Pink Floyd: The Wall (1982)
Barclay Beales Self - Contestant Self - Contestant See fewer	Stereo Kicks: Love Me So (2015)
Reece Bibby Self - Contestant Self - Contestant See fewer	New Hope Club: Just Don't Know It Yet (2023)
Fleur East Self - Contestant Self - Contestant See fewer	Second Act (2018)
Betsy-Blue English Self - Contestant (as Only The Young) Self - Contestant (as Only The Young) See fewer	The Unearthly
Andrea Faustini Self - Contestant Self - Contestant See fewer	Mr. Happiness (2017)
James Graham Self - Contestant Self - Contestant See fewer	Stereo Kicks: Love Me So (2015)
Ben Haenow Self - Contestant Self - Contestant See fewer	Ben Haenow & Kelly Carkson: Second Hand Heart (2015)
Jay James Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Casey Johnson Self - Contestant Self - Contestant See fewer	Stage School (2016)
Charlie Jones Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Stereo Kicks Themselves - Contestants Themselves - Contestants See fewer	Stereo Kicks: Love Me So (2015)
Chris Leonard Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Tom Mann Self - Contestant Self - Contestant See fewer	Ananya Birla: Circles (2018)
Only The Young Themselves - Contestant Themselves - Contestant See fewer	The X Factor UK (2004)
Lauren Platt Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Stevi Ritchie Self - Contestant Self - Contestant See fewer	Legacy (II) (2022)
Jake Sims Self - Contestant Self - Contestant See fewer	Stereo Kicks: Love Me So (2015)