Name	Known for
Dermot O'Leary Self - Presenter Self - Presenter See fewer	The X Factor UK (2004)
Caroline Flack Self - Presenter Self - Presenter See fewer	Bo' Selecta! (2002)
Olly Murs Self - Presenter Self - Presenter See fewer	Love, Rosie (2014)
Gary Barlow Self - Judge Self - Judge See fewer	Kingsman: The Secret Service (2014)
Kelly Rowland Self - Judge Self - Judge See fewer	Freddy vs. Jason (2003)
Tulisa Self - Judge Self - Judge See fewer	Big Fat Gypsy Gangster (2011)
Louis Walsh Self - Judge Self - Judge See fewer	Spin the Bottle (2003)
Coldplay Themselves - Special Guest Themselves - Special Guest See fewer	The Hunger Games: Catching Fire (2013)
Westlife Themselves - Special Guest Themselves - Special Guest See fewer	Decibels of Love (2016)
Peter Dickson Self - Voice Over (voice) Self - Voice Over (voice) See fewer	Harry Potter for Kinect (2012)
Little Mix Themselves - Contestants Themselves - Contestants See fewer	Little Mix feat. Nicki Minaj: Woman Like Me (2018)
Marcus Collins Self - Contestant Self - Contestant See fewer	Out of Time (II) (2020)
2 Shoes Themselves - Opening Show Themselves - Opening Show See fewer	Celebrity Juice (2008)
Sami Brookes Self - Opening Show Self - Opening Show See fewer	The X Factor UK (2004)
Misha Bryan Self - Opening Show Self - Opening Show See fewer	The X Factor UK (2004)
Goldie Cheung Self - Opening Show Self - Opening Show See fewer	The X Factor UK (2004)
Craig Colton Self - Opening Show Self - Opening Show See fewer	The X Factor UK (2004)
Janet Devlin Self - Opening Show Self - Opening Show See fewer	Songbird (III) (2018)
Kimberley Edwards Self - Opening Show (as Kitty Brucknell) Self - Opening Show (as Kitty Brucknell) See fewer	Interference (I) (2005)
Sophie Habibis Self - Opening Show Self - Opening Show See fewer	This Morning (1988)
Jonjo Kerr Self - Opening Show Self - Opening Show See fewer	The X Factor UK (2004)
Amelia Lily Self - Opening Show Self - Opening Show See fewer	Amelia Lily: You Bring Me Joy (2012)
James Michael Self - Opening Show Self - Opening Show See fewer	The X Factor UK (2004)
The Risk Themselves - Opening Show Themselves - Opening Show See fewer	Come Dine with Me (2005)
Johnny Robinson Self - Opening Show Self - Opening Show See fewer	Stars in Their Eyes (1990)
Nu Vibe Themselves - Opening Show Themselves - Opening Show See fewer	The X Factor UK (2004)