Dr. Jekyll and the Werewolf (1972)

A New York City cop and an expert criminologist trying to solve a series of grisly deaths in which the victims have seemingly been maimed by feral animals discover a sinister connection between the crimes and an old legend.

A strange animal attack turns a botanist into a bloodthirsty monster.

Henry Jekyll is a troubled man. His wife died of pneumonia. He wants his sister-in-law, but her father forbids any contact. And his experiments into the dual nature of man have yielded a personality-splitting drug that he has tested on himself, changing him into an uninhibited brute who seeks violent and undignified pleasures. Jekyll quickly becomes addicted to the sordid freedom induced by the drug. He can commit the most enjoyably revolting deeds, then return to his laboratory and use an antidote to change back to his original form, so that his lofty persona remains untarnished.

Lawrence Talbot, an American man on a visit to Victorian London to make amends with his estranged father, gets bitten by a werewolf and, after a moonlight transformation, leaves him with a savage hunger for flesh.

It tells of the events before the film, in which monster hunter Gabriel Van Helsing travels to London to investigate a series of horrific, and decidedly supernatural murders, being committed by the mad scientist Dr. Jekyll, in the form of his evil alter-ego, Mr. Hyde.

Tommy Jarvis, tormented by the fear that maybe Jason isn't really dead, unwittingly resurrects the mass murderer for another bloody rampage.

Famed monster slayer Gabriel Van Helsing is dispatched to Transylvania to assist the last of the Valerious bloodline in defeating Count Dracula. Anna Valerious reveals that Dracula has formed an unholy alliance with Dr. Frankenstein's monster and is hell-bent on exacting a centuries-old curse on her family.

A year after a supermoon’s light activated a dormant gene, transforming humans into bloodthirsty werewolves and causing nearly a billion deaths, the nightmare resurfaces as the supermoon rises again. Two scientists attempt to stop the mutation but fail and must now struggle to reach one of their family homes.

A countess from Transylvania seeks a psychiatrist’s help to cure her vampiric cravings.

In a flooded future London, Detective Harley Stone hunts a serial killer who murdered his partner and has haunted him ever since — but he soon discovers what he is hunting might not be human.