At the Earth's Core is a 1976 science fiction film, produced by Britain's Amicus Productions, directed by Kevin Connor and starring Peter Cushing, Caroline Munro and Doug McClure. It was filmed in Technicolor. It was based on the science fiction novel At the Earth's Core, by Edgar Rice Burroughs, the first book of his Pellucidar series, in token of which the film is also known as Edgar Rice Burroughs' At the Earth's Core. The original music score was composed by Mike Vickers. The film's tagline is: "Take the most terrifying journey of your life!"