Barbie and her sisters take off on another exciting, global adventure to visit their friend Ken at his summer internship at a beautiful and exotic coral reef.
| Actor | Role |
|---|---|
 Erica LindbeckBarbie (voice) | Barbie (voice) |
 Shannon Chan-KentIsla (Voice) | Isla (Voice) |
 Kazumi EvansSkipper (voice) | Skipper (voice) |
 Claire Margaret CorlettStacie (voice) | Stacie (voice) |
| AAlyssya SwalesChelsea (voice) | Chelsea (voice) |
 Adrian PetriwKen (voice) | Ken (voice) |
 Maryke HendrikseMarlo (voice) | Marlo (voice) |
 Paul DobsonHugo (voice) | Hugo (voice) |
 Garry ChalkPete (voice) | Pete (voice) |