The Incredible Invasion

The Incredible Invasion, also known as Alien Terror, is a 1971 Mexican science fiction film directed by Luis Enrique Vergara. It stars Boris Karloff, Yerye Beirute and Enrique Guzmán. It is the last film Karloff worked on before his death in 1969. It was filmed in May 1968, but was only released theatrically in 1971, 2 years after Karloff had died.