Name	Known for
Anthony McPartlin Self - Presenter Self - Presenter See fewer	Love Actually (2003)
Declan Donnelly Self - Presenter Self - Presenter See fewer	Love Actually (2003)
Simon Cowell Self - Judge Self - Judge See fewer	Scary Movie 3 (2003)
Alesha Dixon Self - Judge Self - Judge See fewer	Catwoman (2004)
Amanda Holden Self - Judge Self - Judge See fewer	Wild at Heart (2006)
David Walliams Self - Judge Self - Judge See fewer	Little Britain (2003)
Cheryl Self - Special Guest (as Cheryl Cole) Self - Special Guest (as Cheryl Cole) See fewer	What to Expect When You're Expecting (2012)
Tinie Tempah Self - Special Guest Self - Special Guest See fewer	Arthur (I) (2011)
Diversity Themselves - Special Guests Themselves - Special Guests See fewer	StreetDance 3D (2010)
Little Mix Themselves - Special Guests Themselves - Special Guests See fewer	Little Mix feat. Nicki Minaj: Woman Like Me (2018)
The Addict Initiative Themselves - Contestants Themselves - Contestants See fewer	The Gadget Show (2004)
Arnaud Self - Contestant Self - Contestant See fewer	Britain's Got Talent (2007)
Bars & Melody Themselves - Contestants Themselves - Contestants See fewer	Bars and Melody: Lighthouse (2019)
Thomas Beck The Jack Pack Swing Band Performer The Jack Pack Swing Band Performer See fewer	Hollyoaks Music Show (2009)
Jon Clegg Self - Contestant Self - Contestant See fewer	Newzoids (2015)
Collabro Themselves - Contestants Themselves - Contestants See fewer	Songs of Praise (1961)
Richard Hadfield Self Self See fewer	The World's End (2013)
Lucy Kay Self - Contestant Self - Contestant See fewer	Lorraine (2001)
Yanis Marshall Self - Contestant Self - Contestant See fewer	Zumanity (2003)
Mehdi Self - Contestant Self - Contestant See fewer	Britain's Got Talent (2007)
Darcy Oake Self - Contestant Self - Contestant See fewer	Hudson & Rex (2019)
Jack Pack Themselves - Contestants Themselves - Contestants See fewer	Keep It in the Family (2014)
Paddy & Nico Themselves - Contestants Themselves - Contestants See fewer	Britain's Got Talent: The Champions (2019)
Lettice Rowbotham Self - Contestant Self - Contestant See fewer	The Celebs: Rock with Rudolph (2018)
Suzannah Ruth Dancer Dancer See fewer	All Stars (2013)
James Smith Self - Contestant Self - Contestant See fewer	Lorraine (2001)