Mario Gariazzo was an Italian film director and screenwriter known for his work in various genres, including horror, westerns, and science fiction. Born in Biella, Piedmont, he began his career in the 1960s. Gariazzo directed films such as Acquasanta Joe (1971), The Eerie Midnight Horror Show (1974), and White Slave (1985). His work is characterized by its engagement with popular cinematic trends and exploration of controversial themes. Gariazzo's films have gained a cult following for their unique style and storytelling.