Screenwriter Michael Haller
The only way of working that Michael Haller knows as a screenwriter is to use all his effort to find the perfect formula for each story and that is why the directors he has worked with (among whom you can find Jesús Franco) have been delighted with his dedication to each project.
A screenwriter like Michael Haller does very well in the following genres Terror. Without a doubt, his great gifts as a screenwriter make us get involved in the films he writes.