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)
Sharon Osbourne Self - Judge Self - Judge See fewer	It's a Boy Girl Thing (2006)
Nicole Scherzinger Self - Judge Self - Judge See fewer	Moana (I) (2016)
Louis Walsh Self - Judge Self - Judge See fewer	Spin the Bottle (2003)
Sam Bailey Self - Auditionee Self - Auditionee See fewer	Sam Bailey: Skyscraper (2013)
Alex Baldwin Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Hannah Barrett Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Luke Britnell Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Rielle Carrington Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Dudley Cowan Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Jerrie Dila Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Alejandro Fernandez Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Tamera Foster Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Luke Friend Self - Auditionee Self - Auditionee See fewer	Watchtower (2021)
Euphoria Girls Themselves - Auditionees Themselves - Auditionees See fewer	The X Factor UK (2004)
Fil Henley Self - Auditionee Self - Auditionee See fewer	Celebrity Juice (2008)
Jennifer Jamieson Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Frank Justmann Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Tom Mann Self - Auditionee Self - Auditionee See fewer	Ananya Birla: Circles (2018)
Rachael McCauley Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Jan Muir Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Andrew Muirhead Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Elizabeth Myers Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
James Nakasan Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
Raluca & Christina Themselves - Auditionees Themselves - Auditionees See fewer	The X Factor UK (2004)
Silver Rock Themselves - Auditionees Themselves - Auditionees See fewer	The X Factor UK (2004)
Siana Schofield Self - Auditionee Self - Auditionee See fewer	The X Factor UK (2004)
J. Star Self - Auditionee (as J Star) Self - Auditionee (as J Star) See fewer	Comfortless (2018)