A woman arrives at a lonely mansion and finds herself mixed up with a lunatic who has built his own torture chamber, which is already crowded with victims - and he plans to make her his next one.
Maciste travels to Hell to find a witch and make her undo a curse she put on the surface world.
A husband murders his wife, and years later her ghost emerges from a witch's mirror to take her revenge.
German Police Inspector Lohmann investigates a string of crimes resembling Dr. Mabuse's M.O. but Mabuse is in Professor Polland's care inside an insane asylum.
A millionaire businessman's brain is kept alive after a fatal accident, and communicates clues to a doctor on the trail of the killer.
Count Cagliostro, whose family has tried for generations to rid the world of vampires, instructs his daughter and her fiance to protect several valuable documents.
Alex Marsh has just created a serum combining hypnotic drug and nerve gas. Unfortunately he uses himself as a guinea pig and the drug transform him into a murderous monster.
Wrestling superhero Santo battles an evil scientist who has created a race of zombies.
An evil genius uses poison gas to avenge himself on his enemies.
Curse turns a handsome prince into a werewolf at night. A princess tries to help him, while his enemies plot to take his throne.
Evil mastermind Dr. Mabuse seeks Professor Erasmus' secret invention, a device that makes one invisible, but a murder in a revue theatre brings the German police and the FBI into the mix.
An alien race sends cyborgs--made to look like the son of a famous scientist, whom they killed when he landed on their planet--to Earth to help pave the way for an invasion.
After a daring hold-up, a trio of thieves take refuge in an old dark house inhabited by a motley bunch of ghosts who only want to dispatch their guests in the most horrible manner possible ...
In order to stop a vampire from terrorizing the countryside, some locals decide to break into his coffin at night and steal his ashes. Complications ensue.
Two screwballs get mixed up with monsters, mad scientists and vampires.
Satan gives a woman three wishes in this version of the classic tale, "The Monkey's Paw."
A doctor invents a machine that can turn people into sand then back back again.
Emmaline, who, as a teenager, discovered the drowned body of her aunt (Lynn Bari), returns to the family mansion as a married woman. Eventually, she falls for the caretaker's nephew, and ...
The evil scientist Dr. Caronte plots to revive the brains of three dead scientists and use them to obtain the formula for the super-powerful neutron bomb. The resulting creation needs blood...
A hypnotist is murdered in his dressing room. His ventriloquist dummy seemingly the only witness to the crime. A boxer and part-time delivery boy is blamed for the murder. Soon another ...