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)
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)
Beyoncé Self Self See fewer	Dreamgirls (2006)
Stephen Gately Self - Special Guest (as Boyzone) Self - Special Guest (as Boyzone) See fewer	Billy Elliot (2000)
Nicky Byrne Self - Special Guest (as Westlife) Self - Special Guest (as Westlife) See fewer	Westlife: If I Let You Go (Mexico Promo Mix) (2000)
Kian Egan Self - Special Guest (as Westlife) Self - Special Guest (as Westlife) See fewer	Westlife: If I Let You Go (Mexico Promo Mix) (2000)
Mark Feehily Self - Special Guest (as Westlife) Self - Special Guest (as Westlife) See fewer	Ronan Keating & Emeli Sandé: One of a Kind (2020)
Shane Filan Self - Special Guest (as Westlife) Self - Special Guest (as Westlife) See fewer	Playboy Adventures (2006)
Jeff Brazier Self - OB Presenter Self - OB Presenter See fewer	Mongrels (2010)
Kym Marsh Self - OB Presenter Self - OB Presenter See fewer	Coronation Street (1960)
Michael Underwood Self - OB Presenter Self - OB Presenter See fewer	Entertainment Today (2000)
Scott Bruton Self - Guest Singer Self - Guest Singer See fewer	Gordon Ramsay: Cookalong Live (2008)
Alexandra Burke Self - Contestant Self - Contestant See fewer	Pretty Red Dress (2022)
Peter Dickson Self - Voice Over (voice) Self - Voice Over (voice) See fewer	Harry Potter for Kinect (2012)
Austin Drage Self - Guest Singer Self - Guest Singer See fewer	Snatch (2000)
Daniel Evans Self - Guest Singer Self - Guest Singer See fewer	The X Factor UK (2004)
Aremuorin Anthony Everest Blogger Blogger See fewer	Never Around: Live Tour (2014)
Girlband Themselves - Guest Singers Themselves - Guest Singers See fewer	The X Factor UK (2004)
Rachel Hylton Self - Guest Singer Self - Guest Singer See fewer	The X Factor UK (2004)
JLS Themselves - Contestants Themselves - Contestants See fewer	JLS: Do You Feel What I Feel? (2011)
Bad Lashes Themselves - Guest Singers Themselves - Guest Singers See fewer	The X Factor UK (2004)
Ruth Lorenzo Self - Guest Singer Self - Guest Singer See fewer	Tu cara me suena (2011)
Aston Merrygold Self / JLS Self / JLS See fewer	Boogie Man (2018)
Natasha Caralie Payne Principal Dancer (as Natasha Payne) Principal Dancer (as Natasha Payne) See fewer	Ghostbusters: Frozen Empire (2024)
Eoghan Quigg Self - Contestant Self - Contestant See fewer	Sketchy with Diarmuid Corr (2010)
Diana Vickers Self - Guest Singer Self - Guest Singer See fewer	The Inbetweeners (2011)
Laura White Self - Guest Singer Self - Guest Singer See fewer	Late Night with Seth Meyers (2014)
Keith Duffy Self - Boyzone (uncredited) Self - Boyzone (uncredited) See fewer	Coronation Street (1960)
Mikey Graham Self - Boyzone (uncredited) Self - Boyzone (uncredited) See fewer	Fatal Deviation (1998)
Ronan Keating Self - Boyzone (uncredited) Self - Boyzone (uncredited) See fewer	Notting Hill (1999)
Shane Lynch Self - Boyzone (uncredited) Self - Boyzone (uncredited) See fewer	Ben Collins Stunt Driver (2015)