Cast (in credits order)
| Cilla Black | ... | Self - Presenter | |
| Suranne Jones | ... | Self - Co-Presenter | |
| Jenni Falconer | ... | Self - Co-Presenter | |
| Tess Daly | ... | Self - Co-Presenter | |
| Rest of cast listed alphabetically: | |||
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Nicky Byrne | ... | Self (as Westlife) |
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Kian Egan | ... | Self (as Westlife) |
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Mark Feehily | ... | Self (as Westlife) |
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Shane Filan | ... | Self (as Westlife) |
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Michelle Heaton | ... | Self (as Liberty X) |
| Ronan Keating | ... | Self | |
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Tony Lundon | ... | Self (as Liberty X) |
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Brian McFadden | ... | Self (as Westlife) |
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Kevin Simm | ... | Self (as Liberty X) |
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Jessica Taylor | ... | Self (as Liberty X) |
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Russell Watson | ... | Self |
| Steve West | ... | Performer: Cast from Mamma Mia! | |
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Kelli Young | ... | Self (as Liberty X) |
Music Department
| Kieran Kiely | ... | musician |
Additional Crew
| Adam Cooper | ... | production team |
| Stuart Fero | ... | production coordinator |
| J.P. Watts | ... | production team (as John Watts) |
