Barbie, Chelsea and their family go on a cruise ship for Chelsea's birthday. But when they cross the international date line skipping her birthday, Chelsea escapes to the jungle island to find a fabled wish and get her birthday back.
| Actor | Role |
|---|---|
 Cassidy NaberChelsea / Kelsie (voice) | Chelsea / Kelsie (voice) |
 America YoungBarbie / Darbie (voice) | Barbie / Darbie (voice) |
 Cassandra Lee MorrisStacie / Lacie (voice) | Stacie / Lacie (voice) |
 Kirsten DaySkipper / Snipper (voice) | Skipper / Snipper (voice) |
| BBenjamin PronskyDon / Tiki / Engagement Boy / Plant Based DJ / Spider (voice) | Don / Tiki / Engagement Boy / Plant Based DJ / Spider (voice) |
 Laila BerzinsArlene / Parrot / Seagull (voice) | Arlene / Parrot / Seagull (voice) |
 Lisa FusonMargaret / Mom Elephant (voice) | Margaret / Mom Elephant (voice) |
 Greg ChunGeorge / Dad Elephant / Plant Guy / Alligator (voice) | George / Dad Elephant / Plant Guy / Alligator (voice) |
 Jacob CranerPorter / Flower / Ice Cream Guy / Pool Goer / Vampire (voice) | Porter / Flower / Ice Cream Guy / Pool Goer / Vampire (voice) |
 Nakia BurriseCaptain (voice) | Captain (voice) |