Name	Known for
Dermot O'Leary Self - Presenter Self - Presenter See fewer	The X Factor UK (2004)
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)
Justin Bieber Self - Special Guest Self - Special Guest See fewer	Justin Bieber: Never Say Never (2011)
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)
Misha Bryan Self - Contestant (as Misha B) Self - Contestant (as Misha B) See fewer	R&B Acoustic: presented by +44 and Amazon Music (2021)
Amelia Lily Self - Contestant Self - Contestant See fewer	Amelia Lily: You Bring Me Joy (2012)
Marcus Collins Self - Contestant Self - Contestant See fewer	Out of Time (II) (2020)