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)
Nicole Scherzinger Self - Judge Self - Judge See fewer	Moana (I) (2016)
Tulisa Self - Judge Self - Judge See fewer	Big Fat Gypsy Gangster (2011)
Louis Walsh Self - Judge Self - Judge See fewer	Spin the Bottle (2003)
Mel B Self - Guest Judge Self - Guest Judge See fewer	Spice World (1997)
Geri Horner Self - Guest Judge (as Geri Halliwell) Self - Guest Judge (as Geri Halliwell) See fewer	Spice World (1997)
It Girls Themselves - Auditionee Themselves - Auditionee See fewer	The X Factor UK (2004)
Sorority Themselves - Auditionee Themselves - Auditionee See fewer	The Voice Generations (2023)
Voxe Themselves - Auditionee Themselves - Auditionee See fewer	The X Factor UK (2004)
Chris Culligan Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Martyn Sayer Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Jade Jackson Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Times Red Themselves - Auditionee Themselves - Auditionee See fewer	The X Factor UK (2004)
Megan O'Neill Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Tasha Pyne Self - Auditionee Self - Auditionee See fewer	What You Need (2012)
Cian Morrin Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Melanie McCabe Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Clesia Mendes Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Ashwin Abinashi Self - Auditionee Self - Auditionee See fewer	The Xtra Factor (2004)
Little & Large Themselves - Auditionee Themselves - Auditionee See fewer	The Children's Royal Variety Performance (1987)
William McClure Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Viet Tien 'Jason' Ngujerv Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Daisy Dance Self - Auditionee (as Daizy Dance) Self - Auditionee (as Daizy Dance) See fewer	Girls Can't Catch: Echo (2009)
Simon Smith Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Coleen Brookes Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Christopher Maloney Self - Auditionee Self - Auditionee See fewer	Dave Gorman: Modern Life Is Goodish (2013)
Peter Dickson Self - Voice Over (voice) Self - Voice Over (voice) See fewer	Harry Potter for Kinect (2012)