Human Prey

University professor George Kingsley is struck by gangsters while crossing the street, leaving him with brain damage and one of the gangsters, Cannon, paralyzed. Kingsley's friend Dr. Sovac attends to both men, and when Cannon offers him a reward for aiding his recovery, Kovac transplants part of Cannon's brain into the dying Kingsley's skull, creating a dual personality.

Now confined to a mental hospital, young Kirsty insists her supposedly dead father is actually stuck in Hell following his wife’s betrayal. Few believe the young woman’s lurid stories aside from the thrill-seeking Dr. Channard. Kirsty is undeterred and, with the help of a fellow patient, heads to Hell for a rescue.

On their way to Spring Break, college kids take a detour through an old Southern town. The people of Pleasant Valley insist the kids stay for their annual barbecue celebration... but instead of getting a taste of the old South, the old South gets a taste of them!

A fugitive, dangerous madman reaches an English village where he confronts his former partner who left him for dead in the jungle after their discovery of a diamond mine. When the former partner also claims to have since lost the mine and all its wealth, which he took all for himself, and though the partner is still living in a state of luxury , the madman takes up an offer from a crazed scientist to make him invisible, something the scientist has already done with experimental animals, so that he can take revenge.

In 19th century England, a noted brain surgeon rescues a former student from being hanged on a false conviction for murder, and spirits him away to an ancient, repurposed abbey far in the countryside. There, he connives his pupil into assisting him in mapping the functions of the various parts of the human brain, using living subjects who are under a terrible animation-suspending drug called "black sleep". Subsequently, the student, along with the daughter of one of the subjects, discover that most of these subjects have survived but are being kept in a dungeon-like cellar, in various stages of physical and mental derangement...

In this thriller, psychiatrist Dr. Cross kills his wife and expects to get away with murder, until he discovers that the slaying was observed by a next-door neighbor, Janet Stewart. As Janet attempts to convince her husband of the doctor's dastardly deed, Cross shows up to advise him that Janet is in dire need of some in-depth counseling.

A reporter sleuths the mystery behind an oft-married Viennese doctor whose wives met mysterious fates.

3 horror stories based on the writings of Nathaniel Hawthorne. In the 1st story titled "Dr. Heidegger's Experiment", Heidegger attempts to restore the youth of three elderly friends. In "Rappaccini's Daughter", a demented father is inoculating his daughter with poison so she may never leave her garden of poisonous plants. In the final story "The House of the Seven Gables", The Pyncheon family suffers from a hundred year old curse and while in the midst of arguing over inheritance, a stranger arrives.

A fugitive doctor tries to raise the dead for South Sea Islanders.

A mad scientist creates man eating creatures from carnivorous plants.

After being thrown out of medical school for ethical violations, Dr. Peter Blood returns home to a small Cornish village, where he sets up a research laboratory in a secluded cave. There, he attempts to revive the dead, using kidnapped humans -- who he views as unworthy of life -- for their body parts, specifically, their hearts.

When Chris and Andy order a model from an escort service, they find that something is unnaturally wrong with Natasha, something deadly wrong.

An unnamed doctor has always had everything he's ever wanted, but that has only made him develop more extreme and depraved needs. He kidnaps a young couple in the prime of their life together and forces them into a game of torment that slowly extinguishes their hopes for survival.

After several female motorists begin disappearing en route to Twin Falls, a Hollywood screenwriter and the cousin of his bride-to-be discover that they've all been abducted by the mysterious Dr. Marlowe, who is attempting to resurrect his dead wife.

An unlucky woman’s mother is murdered by a scarf-wielding killer named Silk, leaving the woman injured, traumatised and suffering from amnesia. She’s committed to a mental institution, where Silk follows her, looking for the papers he was trying to get from her mother. And Silk’s only the beginning of her problems, since the asylum is run by a mad doctor, performing experiments in chemical lobotomies!

An insane surgeon's obsession with an actress leads him to replace her wounded pianist husband's hands with those of a knife-throwing murderer.

Dr. Bonner plans to live forever through periodic gland transplants from younger, healthier human victims. Bonner looks about 40; he's really 104 years old. But people are starting to get suspicious, and he may not make 200.

Dr. Leon Kravaal develops a potential cure for cancer, which involves freezing the patient. But an experiment goes awry when authorities believe Kravaal has killed a patient. Kravaal freezes the officials, along with himself. Years later, they are discovered and revived in hopes that Kravaal can indeed complete his cure. But human greed and weakness compound to disrupt the project.

The doctor is back! And this time, she’s cloned herself to make an army of unstoppable warriors!

Chaney plays two roles: mad scientist Arthur Lamb and Lamb's "experiment", known only as the Ape Man. This hideous creature was the result of Lamb's attempts to transplant animal glands into human beings. A lost film.