A group of kids on holiday in Cornwall meet a magical creature on the beach with the power to grant wishes.
| Actor | Role |
|---|---|
 Matthew GoodeDavid | David |
 Pippa HaywoodBookshop Owner | Bookshop Owner |
 Paula PattonAlice | Alice |
 Michael CainePsammead (voice) | Psammead (voice) |
 Russell BrandTristan Trent | Tristan Trent |
 William Franklyn-MillerCarl | Carl |
 Billy JenkinsRobbie | Robbie |
 Ashley AufderheideSmash | Smash |
 Jacqueline WilsonJacqueline Wilson | Jacqueline Wilson |
 Teddie AllenRos | Ros |
| EEllie-Mae SiameMaudie | Maudie |
 CherylCoco Rayne | Coco Rayne |
 Paul BazelySgt. Gascoigne | Sgt. Gascoigne |
 Caroline SheenJenny | Jenny |