Hanne, Marthe and Julia have the vacation of a lifetime in the coastal village of Porto Sirento. But when a mysterious spell turns the girls into beautiful mermaids, their holiday is turned upside down. The inhabitants see mermaids as monsters, so they have to avoid water at all costs! But that is easier said than done..
| Actor | Role |
|---|---|
 Hanne VerbruggenHanne | Hanne |
 Marthe De PillecynMarthe | Marthe |
 Julia BoschmanJulia | Julia |
 Stan Van VeenGaston | Gaston |
 Diego González-ClarkFoss | Foss |
 Eliyha AltenaKai | Kai |
 Bert De KockDiego | Diego |
 Eva KamandaElla | Ella |
 Quinty TrustfullKoningin Mira | Koningin Mira |
| CCeline Van De VoordeRiva | Riva |
 Theodore ZammitStrandgast (uncredited) | Strandgast (uncredited) |
 Peter WinfieldBoze visser (uncredited) | Boze visser (uncredited) |