H2O: Just Add Water 14 years old

H2O: Just Add Water

H2O: Just Add Water revolves around three teenage girls facing everyday teen problems with an added twist: they cope with the burden of growing a giant fin and transforming into mermaids whenever they come in contact with water.


Claire Holt
Claire Holt

Emma Gilbert

Phoebe Tonkin
Phoebe Tonkin

Cleo Sertori

Lara Cox
Lara Cox

Dr. Linda Denman

Indiana Evans
Indiana Evans

Isabel "Bella" Hartley


Name Character
Claire Holt She was 18 , now 33 years old as Emma Gilbert
Phoebe Tonkin She was 16 , now 31 years old as Cleo Sertori
Indiana Evans She was 15 , now 30 years old as Isabel "Bella" Hartley
Cariba Heine She was 17 , now 32 years old as Rikki Chadwick
Cariba Heine She was 17 , now 32 years old
Kate Fitzpatrick She was 58 , now 73 years old
Brittany Byrnes She was 18 , now 33 years old as Charlotte
Emelia Burns She was 24 , now 39 years old
Lara Cox She was 28 , now 43 years old as Dr. Linda Denman
Trent Sullivan He was 13 , now 28 years old as Elliot Gilbert
Arna-Maria Winchester as Aunt Thea
James Stewart He was 98 , 89 years old when he died
Jamie Timony He was 19 , now 34 years old as Nate
Angus McLaren He was 17 , now 32 years old as Lewis McCartney
Burgess Abernethy He was 19 , now 34 years old as Zane Bennett
Joss McWilliam He was 47 , now 62 years old as Dr. Harrison Bennett
Christine Amor She was 54 , now 69 years old as Miss Chatham
Cory Robinson as Barry Rawlins
Andrea Moore as Mrs. Geddes


Name Job title
Michael Rumpf Art He was 57 , now 72 years old Production Design
Ricky Edwards Sound Original Music Composer
Chris Anastassiades Writing Writer
Max Dann Writing Writer
Jeffrey Walker Directing He was 37 , now 52 years old Director
Colin Budds Directing Director
Jean Turnbull Costume & Make-Up Costume Design
Maura Fay Production She was 48 , 43 years old when she died Casting
Tom McSweeney Production Casting
H2O: Just Add Water poster
H2O: Just Add Water (14 years)


  • First Air Date: 2006-07-07
  • Runtime: [24] minutes
  • Number of Episodes: 78