Name	Known for
Dermot O'Leary Self - Presenter Self - Presenter See fewer	The X Factor UK (2004)
Simon Cowell Self - Judge Self - Judge See fewer	Scary Movie 3 (2003)
Cheryl Self - Judge (as Cheryl Cole) Self - Judge (as Cheryl Cole) See fewer	What to Expect When You're Expecting (2012)
Dannii Minogue Self - Judge Self - Judge See fewer	Home and Away (1988)
Louis Walsh Self - Judge Self - Judge See fewer	Spin the Bottle (2003)
Diana Vickers Self - Special Guest Self - Special Guest See fewer	The Inbetweeners (2011)
Katy Perry Self - Special Guest Self - Special Guest See fewer	The Smurfs (2011)
John Adeleye Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Belle Amie Themselves - Contestants Themselves - Contestants See fewer	X Factor Finalists 2010: Help for Heroes (2010)
Mary Byrne Self - Contestant Self - Contestant See fewer	Never Mind the Buzzcocks (1996)
Matt Cardle Self - Contestant Self - Contestant See fewer	Fast Girls (2012)
Treyc Cohen Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Storm Di Scozia Self - Contestant (as Storm Lee) Self - Contestant (as Storm Lee) See fewer	Rock of Ages (2012)
Rebecca Ferguson Self - Contestant Self - Contestant See fewer	Alles ist Liebe (2014)
Diva Fever Themselves - Contestants Themselves - Contestants See fewer	The X Factor UK (2004)
Wagner Fiuza-Carrilho Self - Contestant (as Wagner) Self - Contestant (as Wagner) See fewer	Celebrity Bedlam (2012)
Aiden Grimshaw Self - Contestant Self - Contestant See fewer	The Last Summer (2019)
Cher Lloyd Self - Contestant Self - Contestant See fewer	Identity Thief (2013)
One Direction Themselves - Contestants Themselves - Contestants See fewer	One Direction: What Makes You Beautiful (2011)
Paije Richardson Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Desi Valentine Backing vocalist Backing vocalist See fewer	The Search for John Gissing (2001)
Katie Waissel Self - Contestant Self - Contestant See fewer	Celebrity Bedlam (2012)