All the Zombie Characters in the film have the letter Z in their names (e.g. Zed, Bonzo, Eliza, Zoey, Zevon).
In English, the letter Z is pronounced as Zed, unlike American English, which is why that's the main character's name.
Meg Donnelly is a natural blonde in real life. She wore several blonde wigs when in the role of Addison during production.
Kylee Russell's second Disney Channel Original Movie. Her first was Jump in! (2007), released 11 years prior, and was also directed by Paul Hoen, the director of Zombies.