Several disabled people had expressed a willingness to take part and Alves said the movie may end up with the first disabled zombie in it.
"Who knows? We've got a zombie pig in there - though we're yet to decide if it's a zombie eating pig or a pig that's a zombie - so anything's possible," she said.
"The funny thing is that Fred Potts [director] doesn't know yet just how far out this has become and he will be blown away by the interest. I'm just amazed at how many people are keen to be zombies - it's wonderful though."
Within two hours of the story being posted on the Advocate's Facebook page it reached more than 20,000 people, was shared over 130 times and had 150 comments.
The movie takes place 20 years after the apocalypse and the world has been ravaged by a zombie outbreak and resources are running low for the living and the undead alike. The zombies have become even more crazed by their hunger.
Whangarei artist Brad Walters has been brought in to do some airbrush work to make the zombies look even more authentic.