Name	Known for
Stephen Mulhern Self - Presenter Self - Presenter See fewer	Freaky (2005)
Peter Dickson Self - Voiceover Self - Voiceover See fewer	Harry Potter for Kinect (2012)
Rob Beckett Self - Special Guest Self - Special Guest See fewer	Cinderella (I) (2021)
Collabro Themselves - Special Guest Themselves - Special Guest See fewer	Songs of Praise (1961)
Simon Cowell Self Self See fewer	Scary Movie 3 (2003)
Alesha Dixon Self Self See fewer	Catwoman (2004)
Declan Donnelly Self Self See fewer	Love Actually (2003)
Fifth Harmony Themselves - House Band Themselves - House Band See fewer	Fifth Harmony feat. Ty Dolla Sign: Work from Home (2016)
Amanda Holden Self Self See fewer	Wild at Heart (2006)
Jules & Matisse Themselves Themselves See fewer	Lorraine (2001)
Anthony McPartlin Self Self See fewer	I'm a Celebrity, Get Me Out of Here! (2002)
Gilda O'Casla Self Self See fewer	Britain's Got More Talent (2007)
Jamie Raven Self Self See fewer	Pointless Celebrities (2010)
Faye Tozer Self Self See fewer	Lady Godiva: Back in the Saddle (2007)
Tulisa Self - Special Guest Self - Special Guest See fewer	Big Fat Gypsy Gangster (2011)
David Walliams Self Self See fewer	Little Britain (2003)
Emma Willis Self - Special Guest Self - Special Guest See fewer	EastEnders (1985)