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)
Dannii Minogue Self - Judge Self - Judge See fewer	Home and Away (1988)
Sharon Osbourne Self - Judge Self - Judge See fewer	It's a Boy Girl Thing (2006)
Louis Walsh Self - Judge Self - Judge See fewer	Spin the Bottle (2003)
Jason Donovan Self - Special Guest Self - Special Guest See fewer	Neighbours (1985)
Katherine Jenkins Self - Special Guest Self - Special Guest See fewer	Minamata (2020)
Kylie Minogue Self - Special Guest Self - Special Guest See fewer	Moulin Rouge! (2001)
Jeff Brazier Self - OB Presenter Self - OB Presenter See fewer	Mongrels (2010)
Myleene Klass Self - OB Presenter Self - OB Presenter See fewer	Igor (2008)
Michael Underwood Self - OB Presenter Self - OB Presenter See fewer	Entertainment Today (2000)
Emily Biggs Self - Contestant (as Hope) Self - Contestant (as Hope) See fewer	The Crush (2010)
Same Difference Themselves - Contestants Themselves - Contestants See fewer	Celebrity Bedlam (2012)
Leon Jackson Self - Contestant Self - Contestant See fewer	Live from Studio Five (2009)
Andrew Osbourne Dancer Dancer See fewer	The Shouting Men (2010)
Rhydian Roberts Self - Contestant Self - Contestant See fewer	Save Our Male Voice Choirs (2016)