Dr. Bernard Adrian is a kindly scientist who seeks to cure a young woman's polio. He needs human spinal fluid to complete the formula for his experimental serum. Meanwhile, a vicious circus ape has broken out of its cage, and is terrorizing the townspeople. Can there be a connection?

Sinners of a rural community having his flesh melted as an atonement for his Christian offenses. A r...

An insane surgeon's obsession with an actress leads him to replace her wounded pianist husband's han...

A circus owner and a lady trapper trek into the African jungle to capture a giant gorilla for his ci...

A mad scientist creates a hideous monster to carry out his murderous plans...

An unlucky woman’s mother is murdered by a scarf-wielding killer named Silk, leaving the woman injur...

Dr. Bonner plans to live forever through periodic gland transplants from younger, healthier human vi...

A scientist develops a formula which will cause animals to regress to the form of their primitive an...

After a doctor kills his mistress and himself while researching the mysterious previous owner of his...

Former Countess Clair and Professor Gruber conduct occult research in castle basement of Count Victo...

The son of the infamous Dr. Orloff clashes with his father when he begins to stalk and dismember pro...

A rogue cop must stop a scientist from taking over the world with his deadly female robots, who are ...

A plastic surgeon and his nurse join a bizarre circus to escape from the police. Here he befriends d...

A mad doctor (Bela Lugosi) and his helpers (John Carradine, George Zucco) lure girls to his lab for ...

A mad scientist uses captured criminals as experiments for his study on "the criminal mind" aboard h...

A hunchback working in a morgue falls in love with a sick woman. He goes berserk when she dies and s...

A fugitive, dangerous madman reaches an English village where he confronts his former partner who le...

In 19th century Paris, a maniac abducts young women and injects them with ape blood in an attempt to...

In 19th century England, a noted brain surgeon rescues a former student from being hanged on a false...

A rich but racist man is dying and hatches an elaborate scheme for transplanting his head onto anoth...

Secretly engineered and blasted into space by government scientists, a vile monster crash-lands back...