Name	Known for
Dermot O'Leary Self - Presenter Self - Presenter See fewer	The X Factor UK (2004)
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 Cole) Self - Judge (as Cheryl Cole) See fewer	What to Expect When You're Expecting (2012)
Simon Cowell Self - Judge Self - Judge See fewer	Scary Movie 3 (2003)
Brian Friedman Self - Creative Director Self - Creative Director See fewer	The X Factor (2011)
Peter Dickson Self - Voice Over (voice) Self - Voice Over (voice) See fewer	Harry Potter for Kinect (2012)
Emeli Sandé Self Self See fewer	Trance (I) (2013)
Sam Smith Self - Special Guest Self - Special Guest See fewer	Spectre (I) (2015)
Niall Horan Self Self See fewer	Smallfoot (2018)
Zayn Malik Self Self See fewer	Aladdin (2019)
Louis Tomlinson Self Self See fewer	iCarly (2007)
Tulisa Self (as Tulisa Contostavlos) Self (as Tulisa Contostavlos) See fewer	Big Fat Gypsy Gangster (2011)
Alexandra Burke Self - Audience Member Self - Audience Member See fewer	Pretty Red Dress (2022)
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)
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)
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)
Lauren Platt Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Jake Sims Self - Contestant Self - Contestant See fewer	Stereo Kicks: Love Me So (2015)