H2O: Just Add Water Anime Guide: Story, Cast and Watch Facts
A TMDB-backed guide to H2O: Just Add Water, including cast, release facts, genres and watch-provider notes.

H2O: Just Add Water (2006) — an evergreen reference for this TV series: the essentials, the cast, where to watch and what to watch next.
Where to watch
TMDB's U.S. watch-provider data lists Netflix, Amazon Prime Video, Netflix Standard with Ads, Amazon Prime Video with Ads, Dove Amazon Channel. Availability changes by country and date, so check your streaming app before watching.
Cast
Phoebe Tonkin as Cleo Sertori; Cariba Heine as Rikki Chadwick; Indiana Evans as Isabel "Bella" Hartley; Luke Mitchell as Will Benjamin; Burgess Abernethy as Zane Bennett
About 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.
More like H2O: Just Add Water
- Siren
- Nancy Drew
- The Little Mermaid
- Secrets of Sulphur Springs
- The Way Home
- Degrassi
- Marvel's Inhumans
- Psi Factor: Chronicles of the Paranormal
Figures and availability come from public TMDB data and are provided as a sourced reference.
Frequently asked questions
Where can I watch H2O: Just Add Water?
TMDB's U.S. watch-provider data lists Netflix, Amazon Prime Video, Netflix Standard with Ads, Amazon Prime Video with Ads, Dove Amazon Channel. Availability changes by country and date, so check your streaming app before watching.
Who is in the cast of H2O: Just Add Water?
Phoebe Tonkin as Cleo Sertori; Cariba Heine as Rikki Chadwick; Indiana Evans as Isabel "Bella" Hartley; Luke Mitchell as Will Benjamin; Burgess Abernethy as Zane Bennett
Is this H2O: Just Add Water guide official?
No. It uses TMDB data as a reference and is not endorsed or certified by TMDB.



