Name	Known for
Dermot O'Leary Self - Presenter Self - Presenter See fewer	The X Factor UK (2004)
Gary Barlow Self - Judge Self - Judge See fewer	Kingsman: The Secret Service (2014)
Sharon Osbourne Self - Judge Self - Judge See fewer	It's a Boy Girl Thing (2006)
Nicole Scherzinger Self - Judge Self - Judge See fewer	Moana (I) (2016)
Louis Walsh Self - Judge Self - Judge See fewer	Spin the Bottle (2003)
Sam Bailey Self - Contestant Self - Contestant See fewer	Sam Bailey: Skyscraper (2013)
Hannah Barrett Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Mary J. Blige Self - Special Guest Self - Special Guest See fewer	Mudbound (2017)
Rough Copy Themselves - Contestants Themselves - Contestants See fewer	Sunday Side Up (2013)
Peter Dickson Self - Voice Over (voice) Self - Voice Over (voice) See fewer	Harry Potter for Kinect (2012)
Tamera Foster Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Luke Friend Self - Contestant Self - Contestant See fewer	Watchtower (2021)
Jessie J Self - Special Guest Self - Special Guest See fewer	Ice Age: Collision Course (2016)
JLS Themselves - Special Guests Themselves - Special Guests See fewer	JLS: Do You Feel What I Feel? (2011)
Nicholas McDonald Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
One Direction Themselves - Special Guests Themselves - Special Guests See fewer	One Direction: What Makes You Beautiful (2011)