Name	Known for
Graham Norton Self - Presenter Self - Presenter See fewer	Eurovision Song Contest: The Story of Fire Saga (2020)
Kevan Allen Choreographer Choreographer See fewer	Great Performances (1971)
John Barrowman Self - Judge Self - Judge See fewer	Torchwood (2006)
Chris Barton Self Self See fewer	Any Dream Will Do (2007)
Daniel Boys Self Self See fewer	Unforgotten (2015)
Lewis Bradley Self Self See fewer	Myths (2009)
Chris Crosby Self Self See fewer	Harry Potter and the Prisoner of Azkaban (I) (2004)
Seamus Cullen Self Self See fewer	Any Dream Will Do (2007)
Jason Donovan Self Self See fewer	Neighbours (1985)
Antony Hansen Self Self See fewer	Les Misérables in Concert: The 25th Anniversary (2010)
Keith Jack Self Self See fewer	Fame: The Musical (2020)
Bill Kenwright Self - Judge Self - Judge See fewer	The Fanatic (2019)
Andrew Lloyd Webber Self - Chief Judge (as Lord Andrew Lloyd Webber) Self - Chief Judge (as Lord Andrew Lloyd Webber) See fewer	The Phantom of the Opera (2004)
Rob McVeigh Self Self See fewer	Constitution of the Dead (2014)
Lee Mead Self Self See fewer	Casualty (1986)
Johndeep More Self Self See fewer	Champion (II) (2023)
Ryan Ryder Self (as Craig Chalmers) Self (as Craig Chalmers) See fewer	Storm of Kings (2016)
Zoe Tyler Self - Judge (as Zoë Tyler) Self - Judge (as Zoë Tyler) See fewer	Sunday for Sammy (2008)
Denise Van Outen Self - Judge Self - Judge See fewer	Run for Your Wife (2012)
Nigel Wright Self Self See fewer	The Phantom of the Opera (2004)