Having been sold to more than 140 territories, the success story of three mermaids with superpowers goes into a third season. In addition to the familiar mermaids played by Cariba Heine (Rikki) and Phoebe Tonkin (Cleo), the talents of Indiana Evans have been secured for the third series. This young Australian star has stepped in to replace Claire Holt (Emma) as the third mermaid. Indiana Evans has achieved fame around the world in the international hit series "Home and Away".