| | | | | | Series Cast Summary (21 of 23) (View more cast) | Episode
Count | Year
Range | STARmeter™ |  | John Barrowman ... Himself - Judge | 13 | (2008) | 2,541 | | Barry Humphries ... Himself - Judge | 13 | (2008) | 7,859 | 
| Andrew Lloyd Webber ... Himself - Chief Judge | 13 | (2008) | 7,877 | | Graham Norton ... Himself - Presenter | 13 | (2008) | 12,911 | | Denise Van Outen ... Herself - Judge | 13 | (2008) | 21,575 | | Alexander Hockaday ... Potential Oliver | 12 | (2008) | 591,573 | | Jordan Li-Smith ... Potential Oliver | 12 | (2008) | 1,150,622 | | Harry Stott ... Himself - Potential Oliver | 12 | (2008) | 71,097 | | Samantha Barks ... Herself - Potential Nancy | 11 | (2008) | 148,062 | | Jessie Buckley ... Herself - Potential Nancy | 11 | (2008) | 144,441 | | Jodie Prenger ... Herself - Potential Nancy | 11 | (2008) | 112,489 | | Rachel Tucker ... Herself - Potential Nancy | 9 | (2008) | 153,689 | | Keisha Amponsa-Banson ... Herself - Potential Nancy | 5 | (2008) | 649,582 | | Tara Bethan ... Herself - Potential Nancy | 5 | (2008) | 1,031,292 | 
| Emrhys Cooper ... Performer | 5 | (2008) | 47,269 | | Francesca Jackson ... Herself - Potential Nancy | 5 | (2008) | 900,219 | | Sarah Lark ... Herself - Potential Nancy | 5 | (2008) | 650,339 | | Niamh Perry ... Herself - Potential Nancy | 5 | (2008) | 246,292 | | Cleopatra Royer ... Herself - Potential Nancy | 5 | (2008) | 2,202,830 | | Ashley Russell ... Herself - Potential Nancy | 5 | (2008) | 188,934 | | Amy Booth-Steel ... Herself - Potential Nancy | 4 | (2008) | 2,399,928 |  View more cast |
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