When The Wiggles and their friends sailed into Wiggle Bay, they were looking forward to a picnic by the sea. They found a magic shell, a curious note and Magdalena the beautiful mermaid!
| 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 the Dinosaur (voice) | Dorothy the Dinosaur (voice) |
 Nicholas BufaloKing Neptune (voice) | King Neptune (voice) |