To prevent a world war from breaking out, famous characters from Victorian literature band together to do battle against a cunning villain.

Dr. Henry Jekyll experiments with scientific means of revealing the hidden, dark side of man and releases a murderer from within himself. This film is lost.

After successfully curing a primate's heart condition, Dr. Henry Jeckyll develops a personality-enhancing serum for himself which inadvertently creates an evil alter ego personality, Edward Hyde, who sets out to terrorize college co-eds.

Dr. Henry Jekyll is a well-regarded physician whose evenings are spent researching a rare and sacred Amazonian flower so potent it's said to literally separate the soul, giving life to man's Dark Self. The obsessive experiments to isolate its psychotropic properties happen to coincide with a series of brutal murders gripping the city with fear. Jekyll knows it's no coincidence. While his nights are lost to him, he awakens with bloody mementos and violent memories of the screams of his victims.

When a Black doctor develops a serum that is supposed to regenerate dying liver cells and tests it on himself, it accidentally turns him into an albino monster with a lust for murdering prostitutes, pimps and drug dealers.

Anijeska, the Rassimov's heir, moves with her husband, Dr. Alex Nijinski, to her father's mansion. In the basement, the doctor discovers the laboratory in which the late Rassimov carried out horrifying experiments.

Christopher Lee stars in this Amicus production of “Dr. Jekyll & Mr. Hyde” where the names have been changed to Dr. Marlowe and Mr. Blake. Lee as Dr. Marlowe experiments with intravenous drugs that are suppose to release inner inhibitions. So comes forth Mr. Blake (also Lee) who gets more monstrous with each transformation. Peter Cushing plays his friend and colleague, Dr. Utterson.

Two opposing characters are hidden in the person of the inconspicuous London gentleman Dr. Warren and Janus. Lost film.

Dr. Henry Jekyll experiments with scientific means of revealing the hidden, dark side of man and releases a murderer from within himself.

Dr. Henry Jekyll believes that there are two distinct sides to men: one that is good and one that is evil. He believes that by separating the two, man can become liberated. He succeeds in his experiments with chemicals to accomplish this and transforms into Hyde to commit horrendous crimes. When he discontinues use of the drug, it is already too late.

A doctor's research into the roots of evil turns him into a hideous depraved fiend.

Dr. Jekyll believes good and evil exist in everyone and creates a potion that allows his evil side, Mr. Hyde, to come to the fore. He faces horrible consequences when he lets his dark side run amok.