A teenage girl makes a startling discovery about her connection to the Seawalkers, legendary beings who are half-human, half-sea creature.
Emily Rudd
as Miranda Merchant
Keenan Tracey
as TJ
Skyler Maxon
as Leo
Maria Dizzia
as Amelia
Sarah Power
as Kit Morgan
Siobhan Williams
as Ginny
Gabriel Hogan
as Ramsay
Malia Rogers
as Kate
Jordan Jeremiah
as Jake
Bernard Robichaud
as Bobby Senior
Matthew McIntyre
as Dave
Naomi Gaskin
as Leanne Cooper
