Evan Clarry
Nick McKinnon
Wade Savage
Tom Hooper
Grant Brown
Amy Ruffle
饰:Sirena
Lucy Fry
饰:Lyla
Ivy Latimer
饰:Nixie
Dominic Deutscher
饰:Cam
Rowan Hills
饰:David
Kerith Atkinson
饰:Rita Santos
Gemma Forsyth
饰:Evie
Brooke Nichole Lee
饰:Carly
Monte
饰:Poseidon
Laura Keneally
饰:Mrs. Blakely
Jenna Rosenow
饰:Aquata
Nick Wright
饰:Joe
Emma Wright
饰:Hannah
Nic(昵称)
饰: Ben
Karen Bowen
饰:Ben's Mum
Greg Richardson
饰:Policeman
Joe Davidson
饰:Surfer Boy
Matthew Gardener
饰:Bass Player
Rowan Howard
饰:Ben's Dad
Catherine Miller
饰:Anna
Anna Mowry
饰:Shoe Shop Manager
Deshay Padayachey
饰:Biology Teacher
Mitch Kennedy
饰:Science Teacher
Victor Parascos
饰:Mick
Angelee Snow
饰:Maya
Jason Wilder
饰:Service Man
Alastair Wuth
饰:Keyboard
Millicent O'Hara
饰:Swimming Girl
Alastair Page
饰:Drummer
饰:Swimming Girl's Mother
Piper Nairn
饰: Girl at Traffic Lights
Andrew Nicholson
饰:Runner
Allie Bertram
饰:Mimmi
Chris Charteris
饰:Man at Cafe (2015)
Christian Cocciolone
饰:Gabe
Alex Cubis
饰:Erik
Jesse Darke
饰:Customer
Brodie Henson
饰:Excited Tourist
Cory Sampson
饰:Guy On Phone (2015)
Jake Connor Moss
饰:Kid in Science Class (uncredited) (1 epi
John O'Brien
饰:Dr. Rob Blakely
Chai Hansen
饰:Zac
Isabel Durant
饰:Ondina
饰:Weilan
饰:Chris
Natalie O'Donnell
饰:Veridia
Barbara Lowing
饰:Ms Trumble
饰:Uncle Shen
饰:Ava
饰:Student
饰:Evie Mermaid Double
Alex Pinder
饰:Mr Singh
Cariba Heine
饰:Rikki
饰:Kayaker
Mikhael Wilder
饰:Kev
Jayden Caulfield
饰:Thirsty Kid
饰:Patty's Mum
Angourie Rice
饰:Neppy
饰:Luca
Brad McMurray
饰:Security Guard
Damien Garvey
饰:Coach Norris
饰:Young Dr Rob Blakely
饰:Young Mrs Lauren Blakely
Trevor Dent
饰:Gardener
饰:Market Man
饰:Indigo Mermaid
Mikey Wulff
饰:Karl
饰:Dr Ross
饰:Mermaid Council Member #1
Cameron Caulfield
饰:Ned
Tasneem Roc
饰:Nerissa
Christie-Lee Britten
饰:Mermaid
饰:Jodie
Melina Vidler
饰:Northern Mermaid
Christopher Sommers
饰:Mr Johnson
饰:Cam Swimming Double
饰:Luca Driving Double
饰:Student
Jesse Phillips
饰:Spectator
Sam Carroll
Max Dann
Chris Roache
Justine Gillmer
Amy Purton-Long
Jonathan M. Shiff
Mark Shirrefs
Kristen Souvlis
Alexa Wyatt
Simon Butters
Justine Juel Gillmer
Evan Clarry
Chris Anastassiades
Julia Adams
Greg Millin
Stuart Wood
Brett Aplin
Ric Formosa
Simon Christidis
Zenon Sawko
Andrew Conder
Rohan Cooper
Bill Booth
Rohan Cooper
David Newman
Tom McSweeney
Brett Aplin
Ric Formosa
Kris Keevers
Courtney O'Brien Brown
Jacob Livermore
Tom Hooper
Mark Shirrefs
John Garvin
Scott McCutcheon
Marieke Spence
Tom Hooper
Eugene Intas
Bill Booth
Lucinda McGuigan
Rebecca Allen
Nicholas Schodel
Kris Keevers
Eugene Intas
Wade Savage
Marieke Spence
Scott McCutcheon
Nick McKinnon
Jacob Livermore
Tom Hooper
Lucinda McGuigan
Zenon Sawko
Simon Christidis
Andrew Conder
John Garvin
Andrew Conder
Simon Christidis
John Garvin
Courtney O'Brien Brown
Courtney O'Brien Brown
Mark Shirrefs