Emmy Perry as Siren Phillips

Morgan Fairchild as Principal Strauss

Elisabeth Röhm as Tiffany

Jack Dylan Grazer as Adam Wilts

Nikki Hahn as Crystal

Stephen Snedden as Gary Wilts

Sterling Sulieman as Brodie

Mason Cotton as Martin

Noree Victoria as Amber

Elsie Fisher as Hayden

Hannah Fraser as Emerald

Lily Berlina as Mrs. Harper

Judy Tenuta as Shopkeeper

Emily Rued as Betty

Kimberly Daugherty as Quinn

A Leslie Kies as Nurse Helen

Jeff Odachowski as Terrin

Elvira Sinelnik as Mermaid (as Elvira Safiulina)

Grant Dugger as Hunter

Gabriel Gabbard as Hunter

P.J. Jenkins as Hunter

Franko Marcano as Hunter