Name	Known for
Dermot O'Leary Self - Presenter Self - Presenter See fewer	The X Factor UK (2004)
Simon Cowell Self - Judge Self - Judge See fewer	Scary Movie 3 (2003)
Cheryl Self - Judge (as Cheryl Cole) Self - Judge (as Cheryl Cole) See fewer	What to Expect When You're Expecting (2012)
Dannii Minogue Self - Judge Self - Judge See fewer	Home and Away (1988)
Louis Walsh Self - Judge Self - Judge See fewer	Spin the Bottle (2003)
Brian Friedman Self - Creative Director Self - Creative Director See fewer	The X Factor (2011)
Mary Byrne Self - Contestant Self - Contestant See fewer	Never Mind the Buzzcocks (1996)
Matt Cardle Self - Contestant Self - Contestant See fewer	Fast Girls (2012)
Rebecca Ferguson Self - Contestant Self - Contestant See fewer	Everything Is Love (2014)
Wagner Fiuza-Carrilho Self - Contestant (as Wagner) Self - Contestant (as Wagner) See fewer	Celebrity Bedlam (2012)
Johnny Fleming Self - Ident Narrator Self - Ident Narrator See fewer	Soho (2014)
Aiden Grimshaw Self - Contestant Self - Contestant See fewer	The Last Summer (2019)
Rupert Grint Self Self See fewer	Harry Potter and the Sorcerer's Stone (2001)
Cher Lloyd Self - Contestant Self - Contestant See fewer	Identity Thief (2013)
One Direction Themselves - Contestants Themselves - Contestants See fewer	One Direction: What Makes You Beautiful (2011)
Daniel Radcliffe Self Self See fewer	Harry Potter and the Order of the Phoenix (2007)
Paije Richardson Self - Contestant Self - Contestant See fewer	The X Factor UK (2004)
Desi Valentine Backing vocalist Backing vocalist See fewer	The Search for John Gissing (2001)
Katie Waissel Self - Contestant Self - Contestant See fewer	Celebrity Bedlam (2012)
Emma Watson Self Self See fewer	The Perks of Being a Wallflower (2012)