Before I Hang (1940)

An American tourist and a troubled young woman are chased by her gang leader brother to a top secret British government facility that conducts experiments on children.

Baron Victor Frankenstein has discovered life's secret and unleashed a blood-curdling chain of events resulting from his creation: a cursed creature with a horrid face — and a tendency to kill.

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 a massive, mysterious chamber, fifty strangers awaken to find themselves trapped with no memory of how they got there. Organized in an inward-facing circle and unable to move, they quickly learn that every two minutes, one of them must die…executed by a strange device in the center of the room.

When a stranger enters a quiet, country town and is seduced by a sensuous married woman he unwittingly finds himself at the centre of a storm of sexual guilt and murder.

The owner of a coal mining operation, falsely imprisoned for fratricide, takes a drug to make him invisible, despite its side effect: gradual madness.

Joseph "Doc" Frail is a doctor with a past he's trying to outrun. While in Montana, he comes across a mining camp with a hanging tree and rescues a man named Rune from the noose. With Rune as his servant, Frail decides to settle down, and he takes over as town doctor. He meets Elizabeth, who is suffering from shock, and the two soon fall in love. But when Elizabeth is attacked, Frail's attempt to help her lands them both in trouble.

Jane Marple solves the mystery when a local woman is poisoned and a visiting movie star seems to have been the intended victim.

A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.

Will and his new girlfriend Kira are invited to a dinner with old friends at the house of Will’s ex Eden and her new partner David. Although the evening appears to be relaxed, Will soon gets a creeping suspicion that their charming host David is up to something.