Starring cast:
Lucy Fry
as Lyla
Ivy Latimer
as Nixie
Amy Ruffle
as Sirena
Chai Romruen
as Zac Blakely
Isabel Durant
as Ondina
Allie Bertram
as Mimmi
Alex Cubis
as Erik
Gemma Forsyth
as Evie McLaren
Linda Ngo
as Weilan
Supporting cast:
Dominic Deutscher
as Cam Mitchell
Rowan Hills
as David
Brooke Lee
as Carly Morgan
Kerith Atkinson
as Rita Santos
John O'Brien
as Dr. Rob Blakely
Laura Keneally
as Lauren Blakely
Steve Harman
as Doug McLaren
Natalie O'Donnell
as Veridia
Barbara Lowing
as Ms. Trumble
Taylor Glockner
as Chris
Mikey Wulff
as Karl
Paul Bishop
as Dr. Ross
Nick Wright
as Joe
Jenna Rosenow
as Aquata
Victor Parascos
as Mick Connolly
Angourie Rice
as Neptina
Emily Robinson
as Amaris
Savannah McDaniel
as Naia
Summer Robertson
as Ava
Milly Walton
as Jewel
Cariba Heine
as Rikki Chadwick
Monte
as Poseidon