Trailer
 | Elizabeth II of the United Kingdom as Self |
 | Prince Philip, Duke of Edinburgh as Self |
 | Daniel Radcliffe as Harry Potter (Harry Potter) |
 | Emma Watson as Hermione Granger (Harry Potter) |
 | Rupert Grint as Ron Weasley (Harry Potter) |
 | Matthew Lewis as Neville Longbottom (Harry Potter) |
 | Amanda Redman as Cruella de Vil (The 101 Dalmatians) |
 | Nicholas Lyndhurst as Cruella de Vil's Chauffeur (The 101 Dalmatians) |
 | Kacey Ainsworth as Peter Pan (Peter Pan) |
 | Kelly Osbourne as Wendy (Peter Pan) |
 | Anthony Stewart Head as Captain Hook (Peter Pan) |
 | Daniel Caren as Swashbuckling Pirate (Peter Pan) |
 | Dominic Kinnaird as Swashbuckling Pirate (Peter Pan) |
| Brooks Livermore as Swashbuckling Pirate (Peter Pan) |
| Sam Aston as Henry (Horrid Henry) |
 | Sanjeev Bhaskar as Robin Hood (Robin Hood) |
 | Andrew Fitch as Stan the Merry Man (Robin Hood) |
 | June Brown as Aunt Spiker (James and the Giant Peach) |
 | Pam St. Clement as Aunt Sponge (James and the Giant Peach) |
 | Jonathan Ross as The Fat Controller (Thomas the Tank Engine) |
 | Martin Clunes as Mr. Plod (Noddy) |
 | Ronnie Corbett as Mr. Tibbs (The BFG) |
 | Sophie Dahl as Sophie (The BFG) |
 | Meera Syal as Mary (The BFG) |
| Simon Grant as The Owl (The Owl and the Pussycat) |
 | Dani Harmer as Tracy Beaker (Tracy Beaker) |
 | Konnie Huq as George (The Famous Five) |
 | Gethin Jones as Julian (The Famous Five) |
 | Matt Baker as Dick (The Famous Five) |
| Zoe Salmon as Anne (The Famous Five) |
 | Patsy Kensit as The Grand High Witch (The Witches) |
| Scarlett Strallen as Mary Poppins (Mary Poppins) |
 | Gavin Lee as Bert (Mary Poppins) |
| Alexander Loxton as Peter Rabbit (Peter Rabbit) |
 | Joe Pasquale as The White Rabbit (Alice in Wonderland) |
 | Bernard Cribbins as Station Guard |
 | Richard O'Brien as The Childcatcher (Chitty Chitty Bang Bang) |
 | Josefina Gabrielle as Roxie Hart (Chicago) |
| Amra Faye-Wright as Velma Kelly (Chicago) |
| Jarrod Carland as Danny Zuko (Grease) |
| Hayley Evetts as Sandy Dumbrowski (Grease) |
 | Luke Tittensor as William Brown (Just William) |
 | Jerry Hall as The Pirate Queen (Queen of the Pirates) |
 | Lockhart Ogilvie as Pirate |
| McLoughlin Daniel as Pirate |
 | Marc Cabourdin as Pirate |
 | Harry Hill as The Keeper of the Owls |
 | Janine Duvitski as Maid |
 | Huw Edwards as Newsreader |
 | Sophie Raworth as News Reporter |
 | Nick Ross as Crime Watch Presenter |
| Matt Stevens as Busker |
 | Alan Titchmarsh as Percy the Park Keeper |
 | Bradley Walsh as Burglar Bill |
| Anthony Pedley as BFG |
| Directing | |
| Claire Popplewell | Director |
| Ben Warwick | Director |
Production | |
| Addison Cresswell | Producer's Assistant |
| Lorna Dickinson | Executive Producer |
| Nick Vaughan-Barratt | Executive Producer |
| Cerrie Frost | Producer |
Writing | |
| David Wood | Writer |
