Luigi Cozzi is an Italian film director and screenwriter. At a young age, Cozzi became a fan of science fiction and began his career as an overseas correspondent for Western film magazines. After directing his first film The Tunnel Under the World, Cozzi befriended director Dario Argento and began working with him in film and television as well as directing his own features including Hercules as well as continuing work with Argento. In the 2010s, he returned to directing with the film Blood on Méliès' Moon.

Dario Argento is an Italian film director, screenwriter and producer. His influential work in the horror genre during the 1970s and 1980s, particularly in the subgenre known as giallo, has led him to being referred to as the "Master of the Thrill" and the "Master of Horror".