Main Roles:
* Barbie: Kelly Sheridan
* Erika: Diana Kaarina
* Liana: Tabitha St. Germain
* Ian: Kyle Rideout
* King: Mark Oliver
Supporting Roles:
* Queen: Kathleen Barr
* Townsfolk: Various voice actors
It's worth noting that while the actors are credited, the "actors" in this case are voice actors providing the voices for the animated characters.