Dracula vs Frankenstein (1970)

Also known as Assignment Terror. Aliens from a dying world plot to conquer Earth by preying on man’s superstitions. Bringing two dead scientists back to life, they use their knowledge to re-animate various monsters, including the werewolf Waldemar Daninsky, Frankenstein’s monster, the mummy Tao-Tet, and the vampire Count de Meirhoff. Starring Michael Rennie of The Day the Earth Stood Still, Karin Dor, and Craig Hill. An Italian horror movie with all the monsters you could possibly want… wait, where are the Mole Men?