Name	Known for
Giang Brothers Themselves - Contestant Themselves - Contestant See fewer	It's Showtime! Das Battle der Besten (2017)
B Positive Choir Themselves - Contestant Themselves - Contestant See fewer	Britain's Got Talent (2007)
Calum Courtney Self - Contestant Self - Contestant See fewer	Britain's Got Talent (2007)
Simon Cowell Self - Judge Self - Judge See fewer	Scary Movie 3 (2003)
The D-Day Darlings Themselves - Contestant Themselves - Contestant See fewer	The D-Day Darlings: Sweetheart (Acoustic Version) (2020)
D.V.J. Themselves - Contestant (as DVJ) Themselves - Contestant (as DVJ) See fewer	Britain's Got Talent (2007)
Alesha Dixon Self - Judge Self - Judge See fewer	Catwoman (2004)
Donchez Self - Contestant (as Donchez Dacres) Self - Contestant (as Donchez Dacres) See fewer	Central Tonight (2006)
Declan Donnelly Self - Presenter Self - Presenter See fewer	Love Actually (2003)
Lost Voice Guy Self - Contestant Self - Contestant See fewer	The Stagg Do (2014)
Amanda Holden Self - Judge Self - Judge See fewer	Wild at Heart (2006)
Luke Johnson Dancer Dancer See fewer	Children in Need: Fantastic Beasts Special (2016)
Micky P. Kerr Self - Contestant (as Micky P Kerr) Self - Contestant (as Micky P Kerr) See fewer	An Actor's Life (Less Ordinary) (2017)
Jack & Tim Themselves - Contestant Themselves - Contestant See fewer	The Burden
David Walliams Self - Judge Self - Judge See fewer	Little Britain (2003)
Adrienne Warren Performer Performer See fewer	The Woman King (2022)
Robert White Self - Contestant Self - Contestant See fewer	Loose Women (1999)
Gruffydd Wyn Self - Contestant Self - Contestant See fewer	Britain's Got Talent (2007)
Judy Murray Self - Audience Member (uncredited) Self - Audience Member (uncredited) See fewer	Saturday Knight Takeaway (2021)