So many people walked off the set in the middle of production, that they ended up hiring homeless people and crackheads off the streets of Hollywood to fill in the ranks. They probably even gave some of them lines. Half of the female cast were literally called into casting on the basis of spreads in JUGGS magazine. The writer, who later became a good friend of mine (before I knew he had written the thing), had played Mengele in SURF Nazis MUST DIE (one of my favorite, and the most depraved of all Troma films).
Jimmy Maslon, the producer, has a reputation as one of the cheapest and most thoughtless coke-head producers in Hollywood (he forgot to feed the zombies on so many occasions, that to keep the rest of us from walking off one day, he ran to the store and bought us some generic white bread and baloney, from which we made our own sandwiches).
And don't get me started about Jackie Kong. "The Dragon Lady," as she was known to all who worked with her, will have a special mention in the book.
Suffice to say, that she once spent six hours on a 2 minute dialogue scene, while her zombies were sitting around in cheap gel make-up, which had completely melted off our faces by the time we got around to our scenes.
All that said, it actually is a pretty funny movie. I don't think any of the actors realized it was going to be though. In fact, I don't think anybody did but the zombies, who were all wasted on weed and CLUB margaritas the whole time -hic- ;-)