At the Earth's Core 1976 ‧ Sci-fi/Adventure ‧ 1h 30m

In order to test his machine, a scientist, along with his assistant, sets out on a journey to a mountain. But a technical glitch leads to a mysterious land full of prehistoric monsters and cavemen.
Initial release: July 1976
Director: Kevin Connor
Starring: Doug McClure; Peter Cushing; Caroline Munro
Running time: 1h 30m
Adapted from: At the Earth's Core
Distributed by: American International Pictures, Sony Pictures, British Lion Films