露西·弗莱
Lucy Fry
饰：Lyla
Laura Keneally
Laura Keneally
饰：Mrs. Blakely
艾维·拉蒂默
Ivy Latimer
饰：Nixie
Kerith Atkinson
Kerith Atkinson
饰：Rita Santos
Alexandra McTavish
饰：Swimming Girl's Mother
Jesse Darke
Jesse Darke
饰：Customer
Chris Charteris
Chris Charteris
饰：Man at Cafe (2015)
尼古拉斯·汉密尔顿
Nic（昵称）
饰：Ben
Jason Wilder
Jason Wilder
饰：Service Man
艾丽·伯特伦
Allie Bertram
饰：Mimmi
Anna Mowry
Anna Mowry
饰：Shoe Shop Manager
Catherine Miller
Catherine Miller
饰：Anna
Alex Cubis
Alex Cubis
饰：Erik
Christian Cocciolone
Christian Cocciolone
饰：Gabe
Andrew Nicholson
Andrew Nicholson
饰：Runner
派珀·奈恩
Piper Nairn
饰：Girl at Traffic Lights
Alastair Page
Alastair Page
饰：Drummer
Millicent O'Hara
Millicent O'Hara
饰：Swimming Girl
Alastair Wuth
Alastair Wuth
饰：Keyboard
Angelee Snow
Angelee Snow
饰：Maya
Victor Parascos
Victor Parascos
饰：Mick
Mitch Kennedy
Mitch Kennedy
饰：Science Teacher
德什伊·帕达亚奇
Deshay Padayachey
饰：Biology Teacher
Rowan Howard
Rowan Howard
饰：Ben's Dad
Matthew Gardener
Matthew Gardener
饰：Bass Player
Joe Davidson
Joe Davidson
饰：Surfer Boy
Greg Richardson
Greg Richardson
饰：Policeman
Karen Bowen
Karen Bowen
饰：Ben's Mum
Emma Wright
Emma Wright
饰：Hannah
Nick Wright
Nick Wright
饰：Joe
珍娜·罗斯诺
Jenna Rosenow
饰：Aquata
Monte
Monte
饰：Poseidon
Brooke Nichole Lee
Brooke Nichole Lee
饰：Carly
Gemma Forsyth
Gemma Forsyth
饰：Evie
Rowan Hills
Rowan Hills
饰：David
Dominic Deutscher
Dominic Deutscher
饰：Cam
艾米·洛弗尔
Amy Ruffle
饰：Sirena
布罗迪·汉森
Brodie Henson
饰：Excited Tourist
Jake Connor Moss
Jake Connor Moss
饰：Kid in Science Class (uncredited) (1 epi
Cory Sampson
Cory Sampson
饰：Guy On Phone (2015)
约翰·奥布赖恩
John O'Brien
饰：Dr. Rob Blakely
柴·汉森
Chai Hansen
饰：Zac
伊莎贝尔·杜兰特
Isabel Durant
饰：Ondina
Linda Ngo
饰：Weilan
Taylor Glockner
饰：Chris
纳塔丽·欧唐内
Natalie O'Donnell
饰：Veridia
巴尔巴拉·洛宁
Barbara Lowing
饰：Ms Trumble
Jon-Claire Lee
饰：Uncle Shen
Summer Robertson
饰：Ava
Bronte Pearce
饰：Student
Aston Crabtree
饰：Evie Mermaid Double
Alex Pinder
Alex Pinder
饰：Mr Singh
卡莉巴·海内
Cariba Heine
饰：Rikki
凯文·斯宾克
Kevin Spink
饰：Kayaker
Mikhael Wilder
Mikhael Wilder
饰：Kev
杰登·考尔菲德
Jayden Caulfield
饰：Thirsty Kid
Caroline Bailes
饰：Patty's Mum
安格瑞·赖斯
Angourie Rice
饰：Neppy
Rick J. Mitchell
饰：Luca
布拉德·麦克默里
Brad McMurray
饰：Security Guard
达米安·加维
Damien Garvey
饰：Coach Norris
John Vizcay-Wilson
饰：Young Dr Rob Blakely
Kylie Loveday
饰：Young Mrs Lauren Blakely
Trevor Dent
Trevor Dent
饰：Gardener
池藤真司
Shinji Ikefuji
饰：Market Man
Hayley Hughes
饰：Indigo Mermaid
米奇·武尔夫
Mikey Wulff
饰：Karl
Paul Bishop
饰：Dr Ross
Jessica Stafford
饰：Mermaid Council Member #1
卡梅隆·考尔菲德
Cameron Caulfield
饰：Ned
塔斯尼姆·罗克
Tasneem Roc
饰：Nerissa
Christie-Lee Britten
Christie-Lee Britten
饰：Mermaid
Tori Bailey
饰：Jodie
梅利纳·维德勒
Melina Vidler
饰：Northern Mermaid
克里斯多夫·萨默斯
Christopher Sommers
饰：Mr Johnson
Nathaniel Lindsay
饰：Cam Swimming Double
Mark van Moorsel
饰：Luca Driving Double
Stephanie Kutty
饰：Student
Jesse Phillips
Jesse Phillips
饰：Spectator