* David Kingsley - A mysterious boy who is drawn to Zoey's power and becomes her ally.
* Jake McAllister - A jock who is initially antagonistic towards Zoey but eventually becomes her friend.
* Stacey Morgan - Zoey's best friend who is always there for her.
* Mr. Drake - Zoey's homeroom teacher who is secretly a member of the Shadow Society.
* Madame Noir - The leader of the Shadow Society who is determined to use Zoey's power for her own purposes.
* The Dark One - An evil entity that is trying to take over the world and is the ultimate antagonist of the series.
* The Guardians - A group of ancient beings who protect the world from the Dark One and are allied with Zoey and her friends.