**_Heston and Zimbalist head this intelligent and subdued supernatural horror_** Shot in the summer of 1979, this was loosely based on Bram Stoker's 1903 novel “The Jewel of Seven Stars.” Hammer’s "Blood from the Mummy's Tomb" nine years prior was also loosely based on the book, and two others would come in the future: “Legend of the Mummy”...