e/Invasion from Inner Earth

Information
has gloss	eng: Invasion from Inner Earth (1974) is an apocalyptic science fiction film, starring Paul Bentzen and Debbi Pick. It was directed by Bill Rebane, the same director of Monster A Go-Go (1965), and The Giant Spider Invasion (1975). The film was also known as Hell Fire and They. It was inspired by the British film The Strange World of Planet X (1957), and was made in the style of the suspense thrillers directed by Alfred Hitchcock.
lexicalization	eng: Invasion from Inner Earth
instance of	c/1970s horror films