H2O: Just Add Water

The Siren Effect (Season 1, Episode 12)

TV-G

TV Episode | 25 min | Adventure, Comedy, Drama

The moon is full again, and Cleo feels its powerful effects, singing a siren song that has the boys all over town swooning.

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Cast	+ Add Cast
18 cast members

Name	Known for
Cariba Heine Rikki Chadwick Rikki Chadwick See fewer	Designated Survivor (2016)
Claire Holt Emma Gilbert Emma Gilbert See fewer	47 Meters Down (2017)
Phoebe Tonkin Cleo Sertori Cleo Sertori See fewer	Boy Swallows Universe (2024)
Angus McLaren Lewis McCartney Lewis McCartney See fewer	H2O: Just Add Water (2006)
Burgess Abernethy Zane Zane See fewer	Quietus (II) (2012)
Christopher Poree Byron Byron See fewer	H2O: Just Add Water (2006)
Annabelle Stephenson Miriam Miriam See fewer	Pray for Rain (2017)
Alice Hunter Tiffany Tiffany See fewer	Another Period (2013)
Jamie Timony Nate Nate See fewer	Sleeping Beauty (2011)
Cleo Massey Kim Sertori Kim Sertori See fewer	Shaz and Trace (2014)
Alan David Lee Don Don See fewer	The Beast (1996)
Deborah Coulls Bev Bev See fewer	Robbery Under Arms (1985)
Ariu Lang Sio Wilfred Wilfred See fewer	Love and Monsters (2020)
Christine Amor Miss Chatham Miss Chatham See fewer	H2O: Just Add Water (2006)
Timothy Amos Boy #1 (as Tim Amos) Boy #1 (as Tim Amos) See fewer	H2O: Just Add Water (2006)
Thomas Calder Boy #2 (as Tom Calder) Boy #2 (as Tom Calder) See fewer	Fire on the Second Floor (2017)
Dominic Deutscher Boy #3 Boy #3 See fewer	Mako Mermaids (2013)
Chris Howard Boy (uncredited) Boy (uncredited) See fewer	Think About It (2017)