Stridulum

Eight-year-old Katy Collins (Paige Conner) possesses the demonic power of Satan, who is tasked with furthering her genes for the next generation of evil. While she tries to convince her mother to carry another child with whom she would eventually mate for those purposes, an ancient intergalactic warrior -- The Visitor -- played by the legendary John Huston -- comes to Earth to put a stop to the nefarious scheme. Glenn Ford plays a detective investigating the supernatural events.