Sally Phillips
Self - Narrator (voice)
Nicki Chapman
Self - Judge, Popstars / Pop Idol
Barry Cryer
Self - Comedy Writer
Jim Davidson
Self - Contestant, Hell's Kitchen 2007
Gareth Gates
Self - Singer / Pop Idol Contestant
Russell Grant
Self - Entertainer
Michelle Heaton
Self - Contestant, Popstars / Singer
Javine Hylton
Self - Contestant, Popstars: The Rivals
Bonnie Langford
Self - Contestant, Dancing on Ice 2006 & 2014 / Performer
Zoe Lyons
Self - Comedian
Joe McElderry
Self - Winner, X Factor 2009
Nina Myskow
Self - TV Critic & Former Talent Show Judge, New Faces
Richard Park
Self - Head Judge, Fame Academy
Sinitta
Self - Singer
Anthea Turner
Self - Contestant, Dancing on Ice 2013
Louis Walsh
Self - Talent Show Judge, Irish Popstars / Popstars: The Rivals
Pete Waterman
Self - Judge, Pop Idol
Ann Widdecombe
Self - Contestant, Strictly Come Dancing
Susan Boyle
Self (archive footage)
Darius Campbell
Self (archive footage)
Charlotte Church
Self (archive footage)
Cheryl Cole
Self (archive footage)
Simon Cowell
Self (archive footage)
Nadine Coyle
Self (archive footage)
Samia Longchambon
Self (archive footage)
Will Young
Self (archive footage)
Lena Zavaroni
Self (archive footage)
Jay Aston
Self - Singer / Eurovision Winner 1981, Bucks Fizz
Chris Brooks
Self - Heart FM
Yvie Burnett
Self - Vocal Coach, X Factor, Charlotte Church & Susan Boyle
Tupele Dorgu
Self - Contestant, Soapstar Superstar
Matt Evers
Self - Professional Skater, Dancing on Ice
Carrie Grant
Self - Vocal Coach, Pop Idol / Fame Academy
David Grant
Self - Vocal Coach, Pop Idol / Fame Academy
Jon Morter
Self - Social Media Commentator
Kevin O'Sullivan
Self - TV Critic, Daily Mirror
Andy Orr
Self - Contestant, Irish Popstars
Jonathan Shalit
Self - Charlotte Church's Former Agent
Victoria Wood
Self (archive footage)
James Fox
Self - Fame Academy (uncredited)
Sarah J. Price
Herself - Pop Stars (uncredited)