Claire Holt Emma Gilbert Actor Phoebe Tonkin Cleo Sertori Actor Cariba Heine Rikki Chadwick Actor Angus McLaren Lewis Guest Star Burgess Abernethy Zane Guest Star Jamie Timony Nate Guest Star Christopher Poree Byron Guest Star Lara Cox Denman Guest Star Annabelle Stephenson Miriam Guest Star Cleo Massey Kim Guest Star Ariu Lang Sio Wilfred Guest Star Alice Hunter Tiffany Guest Star Deborah Coulls Bev Guest Star Alan David Lee Don Guest Star Christine Amor Miss Chatham Guest Star Trent Sullivan Elliot Guest Star Jared Robinsen Neil Guest Star Caroline Kennison Lisa Guest Star Joss McWilliam Harrison Guest Star Nicole Downes Emma Mermaid Double Guest Star Colin Budds Director Jeffrey Walker Director Jonathan M. Shiff Writer Julia Adams Producer