Name	Known for
Dermot O'Leary Self - Presenter Self - Presenter See fewer	Inside No. 9 (2014)
Simon Cowell Self - Judge Self - Judge See fewer	Scary Movie 3 (2003)
Louis Tomlinson Self - Judge Self - Judge See fewer	iCarly (2007)
Ayda Field Self - Judge Self - Judge See fewer	Strange Wilderness (2008)
Robbie Williams Self - Judge Self - Judge See fewer	Better Man (2024)
Acacia & Aaliyah Themselves - Contestants Themselves - Contestants See fewer	The X Factor UK (2004)
Lma Choir Themselves - Contestants Themselves - Contestants See fewer	Not the Robbie Williams Christmas Show (2019)
Dalton Harris Self - Contestant Self - Contestant See fewer	Maltby and Shire's Closer Than Ever (2021)
Scarlett Lee Self - Contestant Self - Contestant See fewer	Barely Famous (2015)
Misunderstood Themselves - Contestants Themselves - Contestants See fewer	Magic Moves (2017)
Brendan Murray Self - Contestant Self - Contestant See fewer	Hometown: Where I Belong (2014)
Bella Penfold Self - Contestant Self - Contestant See fewer	Lorraine (2001)
Janice Robinson Self - Contestant Self - Contestant See fewer	Love & Chaos (2020)
Anthony Russell Self - Contestant Self - Contestant See fewer	Gateway to Hope: Overcoming Heroin (2018)
Molly Scott Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Shan Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Giovanni Spano Self - Contestant Self - Contestant See fewer	The Profesional (2015)
Danny Tetley Self - Contestant Self - Contestant See fewer	Benidorm (2007)
United Vibe Themselves - Contestants Themselves - Contestants See fewer	The X Factor UK (2004)