 Sally PhillipsSelf - Narrator (voice) | Self - Narrator (voice) |
| JJay AstonSelf - Singer / Eurovision Winner 1981, Bucks Fizz | Self - Singer / Eurovision Winner 1981, Bucks Fizz |
| CChris BrooksSelf - Heart FM | Self - Heart FM |
| YYvie BurnettSelf - Vocal Coach, X Factor, Charlotte Church & Susan Boyle | Self - Vocal Coach, X Factor, Charlotte Church & Susan Boyle |
 Nicki ChapmanSelf - Judge, Popstars / Pop Idol | Self - Judge, Popstars / Pop Idol |
 Barry CryerSelf - Comedy Writer | Self - Comedy Writer |
 Jim DavidsonSelf - Contestant, Hell's Kitchen 2007 | Self - Contestant, Hell's Kitchen 2007 |
| TTupele DorguSelf - Contestant, Soapstar Superstar | Self - Contestant, Soapstar Superstar |
| MMatt EversSelf - Professional Skater, Dancing on Ice | Self - Professional Skater, Dancing on Ice |
 Gareth GatesSelf - Singer / Pop Idol Contestant | Self - Singer / Pop Idol Contestant |
 Carrie GrantSelf - Vocal Coach, Pop Idol / Fame Academy | Self - Vocal Coach, Pop Idol / Fame Academy |
 David GrantSelf - Vocal Coach, Pop Idol / Fame Academy | Self - Vocal Coach, Pop Idol / Fame Academy |
 Russell GrantSelf - Entertainer | Self - Entertainer |
 Michelle HeatonSelf - Contestant, Popstars / Singer | Self - Contestant, Popstars / Singer |
 Javine HyltonSelf - Contestant, Popstars: The Rivals | Self - Contestant, Popstars: The Rivals |
 Bonnie LangfordSelf - Contestant, Dancing on Ice 2006 & 2014 / Performer | Self - Contestant, Dancing on Ice 2006 & 2014 / Performer |
 Zoe LyonsSelf - Comedian | Self - Comedian |
 Joe McElderrySelf - Winner, X Factor 2009 | Self - Winner, X Factor 2009 |
| JJon MorterSelf - Social Media Commentator | Self - Social Media Commentator |
 Nina MyskowSelf - TV Critic & Former Talent Show Judge, New Faces | Self - TV Critic & Former Talent Show Judge, New Faces |
| KKevin O'SullivanSelf - TV Critic, Daily Mirror | Self - TV Critic, Daily Mirror |
| AAndy OrrSelf - Contestant, Irish Popstars | Self - Contestant, Irish Popstars |
 Richard ParkSelf - Head Judge, Fame Academy | Self - Head Judge, Fame Academy |
| JJonathan ShalitSelf - Charlotte Church's Former Agent | Self - Charlotte Church's Former Agent |
 SinittaSelf - Singer | Self - Singer |
 Anthea TurnerSelf - Contestant, Dancing on Ice 2013 | Self - Contestant, Dancing on Ice 2013 |
 Louis WalshSelf - Talent Show Judge, Irish Popstars / Popstars: The Rivals | Self - Talent Show Judge, Irish Popstars / Popstars: The Rivals |
 Pete WatermanSelf - Judge, Pop Idol | Self - Judge, Pop Idol |
 Ann WiddecombeSelf - Contestant, Strictly Come Dancing | Self - Contestant, Strictly Come Dancing |
 Susan BoyleSelf (archive footage) | Self (archive footage) |
