There's an ocean of adventure as The Wiggles sail into Wiggle Bay for a picnic by the sea. The fun continues as they swim in the sea and dance in the sand with their friends, Dorothy the Dinosaur, Wags the Dog, Henry the Octopus and Captain Feathersword. But there's also a wiggly mystery to solve when they discover a magic shell, a curious note and beautiful mermaid! Will they solve the mystery? Will they return a golden key to its rightful owner? Find out when you join The Wiggles for lots of music, dancing and fun in the sun at Wiggle Bay!
| Actor | Role |
|---|---|
 Anthony FieldAnthony Wiggle | Anthony Wiggle |
 Greg PageGreg Wiggle | Greg Wiggle |
 Murray CookMurray Wiggle | Murray Wiggle |
 Jeff FattJeff Wiggle | Jeff Wiggle |
 Paul PaddickCaptain Feathersword | Captain Feathersword |
| CCorrine O'RaffertyDorothy The Dinosaur | Dorothy The Dinosaur |
| AAndrew McCourtWags The Dog | Wags The Dog |
| KKristy TalbotHenry The Octopus | Henry The Octopus |
| NNaomi WallaceMagdalena The Mermaid | Magdalena The Mermaid |
| KKase AmerBand Dancer | Band Dancer |
| SSharryn DermodyBand Dancer | Band Dancer |
| BBen MurrayBand Dancer | Band Dancer |
| LLarissa WrightBand Dancer | Band Dancer |
| JJacqueline FieldDorothy (Voice) | Dorothy (Voice) |
 Nicholas BufaloKing Neptune (Voice) | King Neptune (Voice) |