| Caroline Flack | ... | Herself - Presenter | |
| Olly Murs | ... | Himself - Presenter | |
| rest of cast listed alphabetically: | |||
| Gary Barlow | ... | Himself | |
| Misha Bryan | ... | Herself (as Misha B) | |
| Marcus Collins | ... | Himself | |
| Tulisa Contostavlos | ... | Herself | |
| Janet Devlin | ... | Herself | |
| Jessie J | ... | Herself | |
| Jack the Lad Swing | ... | Themselves (as JLS) | |
| Amelia Lily | ... | Herself | |
| Little Mix | ... | Themselves | |
| Dermot O'Leary | ... | Himself | |
| One Direction | ... | Themselves | |
| Miss Piggy | ... | Herself | |
| Kelly Rowland | ... | Herself | |
| Louis Walsh | ... | Himself | |
| Episode Crew |
Directed by | |||
| Toby Baker | |||
Produced by | |||
| Gareth Rhys Birkett | .... | associate producer | |
| Sophie Davis | .... | interactive producer | |
| Tim Dean | .... | series producer | |
| Luke Dolan | .... | producer: Syco TV | |
| Emma Forrester | .... | junior interactive producer | |
| Siobhan Greene | .... | executive producer: Syco TV | |
| Beth Hart | .... | executive producer: Talkback Thames | |
| Richard Holloway | .... | executive producer: Talkback Thames | |
| Liz Holmwood | .... | celebrity producer | |
| Sarah James | .... | producer | |
| Justin Saculles | .... | associate producer | |
| Mark Sidaway | .... | executive producer: Talkback Thames | |
| Peter Tierney | .... | associate producer | |
Film Editing by | |||
| John Williams | (off-line editor) | ||
Art Direction by | |||
| Zoe Smith | |||
Makeup Department | |||
| Nicola Schuller | .... | makeup artist | |
| Lou Teasdale | .... | makeup artist | |
Production Management | |||
| Allison Dore | .... | production manager | |
| Dean Jones | .... | director of production | |
Art Department | |||
| Joshua Grace | .... | set designer | |
Sound Department | |||
| Tom Corbett | .... | dubbing mixer | |
| Conrad Fletcher | .... | sound supervisor | |
| Lauren Gates | .... | sound assistant | |
| Steve Linsey | .... | sound assistant | |
| Simon Pavey | .... | sound assistant | |
| Wal Walters | .... | grams operator | |
Visual Effects by | |||
| Glen Bonner | .... | live graphics | |
Camera and Electrical Department | |||
| Alpha Barrie | .... | camera assistant | |
| Ahmet Bekir | .... | camera operator | |
| Mick Bennell | .... | lighting director | |
| Dave Collier | .... | camera operator | |
| Mike Gardiner | .... | console operator | |
| Spike Kay | .... | camera assistant (as Spike Kaye) | |
| Jed Murphy | .... | gaffer | |
| Joe Oliver | .... | jib operator | |
| Ian Reith | .... | led operator | |
| Rob Sargent | .... | camera supervisor | |
| Rowan Stevenson | .... | video tape operator | |
| Nick Stitson | .... | evs operator | |
| Ben Williams | .... | camera assistant | |
Costume and Wardrobe Department | |||
| Rachael Bakewell | .... | stylist (as Rachel Bakewell) | |
| Lee Holden | .... | stylist | |
Editorial Department | |||
| Richard Folley | .... | post-production coordinator | |
| Erick Henson | .... | off-line editor | |
| Damon Tai | .... | on-line editor | |
| Rod Wardell | .... | vision mixer | |
Music Department | |||
| Simon Cowell | .... | composer: theme music | |
| Jos Jorgensen | .... | composer: theme music | |
| Andy Love | .... | composer: theme music | |
| Ashley Tabor | .... | composer: theme music | |
Other crew | |||
| Rebecca Barugh | .... | production secretary | |
| Kitty Boo | .... | script supervisor | |
| Mark Boustead | .... | publicist | |
| Nicola Bray | .... | researcher | |
| Tom Calvert | .... | legal and business affairs | |
| Sophie Coen | .... | researcher | |
| Rachael Coleyshaw | .... | production accountant | |
| Caren Davies | .... | publicist | |
| Slavica Delevic | .... | production runner (as Slavica Delvic) | |
| Ellen Diamond | .... | publicist | |
| Lyndsey Large | .... | publicist | |
| Emma Leone | .... | assistant floor manager | |
| Ben Munday-Chanin | .... | floor manager | |
| Ross Newton | .... | assistant floor manager | |
| Claire Pocock | .... | production coordinator | |
| Kenton Thomas | .... | production runner (as Jordan Thomas) | |
| Robert Turnbull | .... | production runner | |
| Tim Wood | .... | technical manager | |
| Emma Wright | .... | publicist | |
| Terry Longden | ... | Himself | |
| Jonathan Ansell | ... | Himself (as G4) |
| Main series | Episode guide | Full cast and crew |
| Company credits | IMDb TV section | IMDb Music section |