Name	Known for
Anthony McPartlin Self - Presenter Self - Presenter See fewer	Ant & Dec's Saturday Night Takeaway (2002)
Declan Donnelly Self - Presenter Self - Presenter See fewer	Love Actually (2003)
Simon Cowell Self - Judge Self - Judge See fewer	Scary Movie 3 (2003)
Alesha Dixon Self - Judge Self - Judge See fewer	Catwoman (2004)
Amanda Holden Self - Judge Self - Judge See fewer	Wild at Heart (2006)
David Walliams Self - Judge Self - Judge See fewer	Little Britain (2003)
Julia Carlile MerseyGirls MerseyGirls See fewer	Coronation Street (1960)
Daliso Chaponda Self - Contestant Self - Contestant See fewer	Garbage Boy and Trash Can (2019)
Little Mix Themselves - Special Guests Themselves - Special Guests See fewer	Little Mix feat. Nicki Minaj: Woman Like Me (2018)
The Missing People Choir Themselves Themselves See fewer	Britain's Got Talent (2007)
Tokio Myers Self - Winner Self - Winner See fewer	Shelter (IV) (2015)
Issy Simpson Self - Finalist Self - Finalist See fewer	Britain's Got Talent: The Champions (2019)