12-year-old Ryan moves to the town where her father was born—a bleak, dying fishing town. However, exploring the coast, she discovers a cove that is home to a mysterious girl named Coral who reveals herself to be a mermaid.
Jerry O'Connell
as Matt
Barry Bostwick
as Art
Caitlin Carmichael
as Ryan
Nancy Stafford
as Thaleia
Ronnie Gene Blevins
as Jay
Sydney Scotia
as Coral
Callan Wilson
as Zack
Jaimi Paige
as Jenna
Hannah Fraser
as Moroven
Tiiu Loigu
as Nurse Diane
Lauren Zbylski
as Young Thaleia
Patrick Flanagan
as Young Art
