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)
Boris Becker Self - Red Carpet Attendee Self - Red Carpet Attendee See fewer	Steiners Sketchparade - Lachen ist die beste Medizin (1997)
Mary Byrne Self - Contestant Self - Contestant See fewer	Celebrity Bainisteoir (2008)
Matt Cardle Self - Contestant Self - Contestant See fewer	Fast Girls (2012)
Rebecca Ferguson Self - Contestant Self - Contestant See fewer	Everything Is Love (2014)
Cher Lloyd Self - Contestant Self - Contestant See fewer	Identity Thief (2013)
Killian Lyrik Self (Choir) Self (Choir) See fewer	Don't Stop Believing (2010)
Joe McElderry Self - Red Carpet Attendee Self - Red Carpet Attendee See fewer	Joe McElderry: The Climb (2009)
Liam Neeson Self - Red Carpet Attendee Self - Red Carpet Attendee See fewer	Kinsey (2004)
One Direction Themselves - Contestants Themselves - Contestants See fewer	One Direction: What Makes You Beautiful (2011)
Nicole Scherzinger Self - Guest Self - Guest See fewer	Moana (I) (2016)
Desi Valentine Backing vocalist Backing vocalist See fewer	The Search for John Gissing (2001)