Name	Known for
Entity Allstars Themselves Themselves See fewer	Streetdance Family (2016)
Andrea Bocelli Self - Special Guest Self - Special Guest See fewer	The Nutcracker and the Four Realms (2018)
Boyband Themselves Themselves See fewer	Britain's Got Talent (2007)
Simon Cowell Self - Judge Self - Judge See fewer	Scary Movie 3 (2003)
Peter Dickson Voice Over (voice) Voice Over (voice) See fewer	Harry Potter for Kinect (2012)
Alesha Dixon Self - Judge Self - Judge See fewer	Catwoman (2004)
Declan Donnelly Self - Presenter Self - Presenter See fewer	Love Actually (2003)
Michael Flatley Self - Special Guest Self - Special Guest See fewer	Blackbird (II) (2022)
Côr Glanaethwy Themselves Themselves See fewer	Songs of Praise (1961)
Old Men Grooving Themselves Themselves See fewer	It's Showtime! Das Battle der Besten (2017)
Amanda Holden Self - Judge Self - Judge See fewer	Wild at Heart (2006)
Jules & Matisse Themselves Themselves See fewer	Britain's Got Talent (2007)
Jesse-Jane McParland Self Self See fewer	Into the Badlands (2015)
Anthony McPartlin Self - Presenter Self - Presenter See fewer	Love Actually (2003)
Danny Posthill Self Self See fewer	Sunday Night Live (2020)
Jamie Raven Self Self See fewer	Pointless Celebrities (2010)
Calum Scott Self - Contestant Self - Contestant See fewer	Lost Frequencies ft Calum Scott: Where Are You Now (2021)
Phil Stanley Member of Old Men Grooving Member of Old Men Grooving See fewer	Carlos Gustavo (2017)
The Neales Themselves Themselves See fewer	Britain's Got Talent (2007)
UDI Themselves Themselves See fewer	Sands of Slumber: The RPG (2022)
Isaac Waddington Self Self See fewer	Britain's Got Talent (2007)
David Walliams Self - Judge Self - Judge See fewer	Little Britain (2003)