| Credited cast: |
 | Chris Evans | - | Himself - Host |
 | Lauren Laverne | - | Voice Over (voice) |
 | Peter Kay | - | Voice Over / Himself |
| Rest of cast listed alphabetically: |
 | Briony Albert | - | Principal Dancer |
 | Arctic Monkeys | - | Themselves - Winners, Video Message |
 | James Blunt | - | Himself - Performer and Winner |
 | Boy George | - | Himself - Presenter |
 | Kelly Clarkson | - | Herself - Performer |
 | Coldplay | - | Themselves - Performers and Winners |
 | Wayne Coyne | - | Himself - Presenter |
 | Craig David | - | Himself |
 | Gorillaz | - | Themselves - Performers |
 | Green Day | - | Themselves - Winners, Video Message |
 | Tamsin Greig | - | Herself - Presenter |
 | Morten Harket | - | Himself - Presenter |
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