Merliah, a teenMerliah, a teenage surfing champion from Malibu, learns a shocking family secret that she is a mermaid. After learning the truth Merliah decides to rescue her mother from evil Eris.age surfing champion from Malibu, learns a shocking family secret that she is a mermaid. After learning the truth Merliah decides to rescue her mother from evil Eris.
Ella Balinska
Kristen Bell
Isabel May
Madison Iseman
Erin Moriarty
China Anne McClain
Maia Mitchell
Madisyn Shipman
Gary Oldman
Alyson Stoner
Halsey
Ruth Wilson
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