Barbie 'Brooklyn' Roberts, Barbie 'Malibu' Roberts, and sisters Skipper, Stacie, and Chelsea go on an underwater adventure as they transform into mermaids to help save the world of Pacifica.
as Malibu (Barbie) (voice)
as Brooklyn (Barbie) (voice)
as Skipper (voice)
as Stacie / Mermaid 1 (voice)
as Chelsea (voice)
as Marlo / Mermaid 2 (voice)
as Aquaryah Aquavilla (voice)
as Talleigha Fishtail (voice)
as Isla / Dr. Tang (voice)
as Finn / Waiter (voice)
as Sareena Seasquid (voice)
as Coralia / Angler Fish (voice)
as Oslo (voice)
