At the Earth's Core (film)

Lore & Background

The film follows Dr. Abner Perry, a British Victorian scientist, and his US financier David Innes as they test the Iron Mole, a drilling machine in a Welsh mountain. After losing control due to extreme heat, they emerge in a prehistoric land at the Earth's core, where they are captured by ape-like Sagoths ruled by telepathic flying reptiles called Mahars. David falls for the enslaved Dian, who is chosen as a sacrificial victim, leading to a rebellion among the human slaves. With the help of Perry, who teaches the humans to use bows and arrows, they defeat the Mahars and their minions. Innes and Perry repair the Mole and return to the surface, but a miscalculation causes them to resurface outside the White House.

Reader's Guide

At the Earth's Core was made following the success of The Land That Time Forgot, using the same star, producer, director, and writer. Filmed at Pinewood Studios in London, the production used a mauve-orange color scheme for Pellucidar. Director Kevin Connor noted that the script was not the greatest but had fun sequences, and the beasts were designed with small stunt guys inside suits to interact better with actors. The film premiered at the Marble Arch Odeon in London on 15 July 1976. It was the 18th most popular British film of 1976 and made a profit. Critical reception was mixed: Cinefantastique called it 'just about rock bottom,' while BFI Screenonline described it as 'extravagant, colourful and thoroughly preposterous' with 'exuberant charm.' The film was featured in the season finale of the revived Mystery Science Theater 3000 in 2017.

Did You Know?

• The film was produced by Amicus Productions and is a British-American co-production.
• It was based on the 1914 fantasy novel At the Earth's Core by Edgar Rice Burroughs.

Behind the Camera at Pinewood

The 1976 production of At the Earth's Core was a direct beneficiary of the commercial triumph of The Land That Time Forgot, which allowed Amicus Productions to allocate a somewhat larger budget while retaining the same creative team of director, writer, producer, and lead star. Kevin Connor, helming the project, acknowledged that the screenplay was not his finest material but praised the fun sequences and the chemistry between Peter Cushing and Doug McClure, calling both a delight as usual. Principal photography was staged almost entirely on one enormous soundstage at Pinewood Studios in London, where the crew devised a distinctive mauve-orange palette to evoke the subterranean world of Pellucidar. Connor noted that this single-stage approach gave them tight control over the color environment. The creature work was ambitious for the era: the beasts were purpose-built so that small stunt performers could crawl inside the suits in a crouched, all-fours position, though the cramped interiors demanded frequent breaks. Practical effects included real fire, small on-set explosions, and bubbling egg sequences that left the soundstage floor coated in a thick goo.

A Journey to Pellucidar

Adapted from Edgar Rice Burroughs's 1914 novel, the first book of his Pellucidar series, the film follows British Victorian scientist Dr. Abner Perry and his American financier David Innes as they test-run the Iron Mole, a drilling machine, beneath a Welsh mountain. A surge of magma heat knocks both men out, and the machine barrels past the crust toward the core, where temperatures drop and the pair wakes on a hidden surface world filled with prehistoric life. After an encounter with a bird-headed dinosaur resembling a Psittacosaurus, the duo is captured by the Sagoths, ape-like humanoids who enslave every free tribe. Above them sit the Mahars, telepathic pterosaur overlords wielding mind control. David falls for the enslaved Princess Dia, but she is chosen as a sacrificial victim. Innes sparks a riot in the magma mines, and with a fellow slave named Ra he is thrown into an arena against a giant Gorgonopsid. With Perry shouting the creature's weak point from the crowd, the two survive and kill the beast and a Mahar. Rallying the oppressed tribes and teaching them to build bows and arrows, the humans overthrow their rulers. Dia decides to stay in Pellucidar, and the Mole resurfaces, by miscalculation, outside the White House.

Praise, Pans, and Pop-Culture Resurrection

Critical responses to At the Earth's Core were sharply divided. Cinefantastique savaged the picture, calling it just about rock bottom and arguing it made the juvenile excesses of Japanese studios Toho and Daiei look positively scintillating by comparison. The New York Times was equally scathing, describing the monsters as parrot-beaked creatures that squawked like a vacuum cleaner, looked like rough concrete walls in close-up, and representing a kind of no-talent competition in which acting, script, direction, and camera work all vied for last place. Yet the British Film Institute's Screenonline offered a more generous reading, describing the film as extravagant, colourful and thoroughly preposterous and utterly without pretension, crediting it with the exuberant charm of the best of its decade. The film's box-office performance was solid: it ranked as the 18th most popular British release of 1976 and turned a profit. Its most enduring cultural moment came decades later, when Mystery Science Theater 3000's eleventh-season finale, released on Netflix on April 14, 2017, featured the movie as its centerpiece.

Amicus, Partnerships, and the Road Ahead

At the Earth's Core was a British-American co-production from Amicus Productions, filmed in Technicolor and released under the alternate title Edgar Rice Burroughs' At the Earth's Core in homage to the source material. It premiered at the Marble Arch Odeon in London on 15 July 1976, starring Doug McClure, Peter Cushing, and Caroline Munro under Kevin Connor's direction. The film's commercial success kept the Amicus creative engine running, but the path forward was not straightforward. Connor and the studio attempted to adapt Burroughs's John Carter stories next, yet the rights proved prohibitively expensive. Instead, the team pivoted to The People That Time Forgot. The financial and creative momentum of the mid-1970s also reshaped the studio's internal structure: after At the Earth's Core, producers Subotsky and Rosenberg ended their long-standing partnership. In their place, John Dark, Kevin Connor, and Rosenberg formed a new company together, which went on to produce three additional films. The 1976 picture thus stands at a crossroads in Amicus history, both a capstone of one era and a springboard into the next.