Producer Gaudenzi was worried about the film and had second unit director Bruno Mattei brought in to work on the production with Fragasso in order to complete it. Mattei had been in the Philippines at the time filming "Strike Commando 2", went home to spend Christmas with his family and later returned to film more scenes for "Zombi 3". Both Fragasso and Mattei worked on new scenes, and since they could not get the main actors to return to filming, the new scenes became subplots.