The son of the notorious Dr. Henry Jekyll is determined to prove that his father's reputation has been unjustly deserved. He sets out to develop his father's formula in order to prove that he was a brilliant scientist rather than a murderous monster.

A young woman discovers she is the daughter of the infamous Dr. Jekyll, and begins to believe that she may also have a split personality, one of whom is a ruthless killer.

Professor Fabius has found a way of transferring his personality to another person and he transfers his to the body of Giacinto Floria, a nice teacher in a women's college. Poor Giacinto becomes a sex maniac to the puzzlement of his girlfriend Mafalda.

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Concerned by his good friend Dr Henry Jekyll's recent behaviour, Gabriel Utterson is driven to uncover the identity of the mysterious and dangerous Mr. Hyde, to whom Jekyll is enthralled.

Unfinished version of the immortal story with Jason Robards in the lead role, who was replaced by Jack Palance and the resultant film was released one year later as The Strange Case of Dr. Jekyll and Mr. Hyde (1967).

Henry Jekyll, a shy and unassuming doctor, is obsessed with the idea of separating the good in man's nature from the evil, and is attracted to Rebecca, daughter of the head teacher of the medical school.

Dr. Jekyll has made a sensational discovery: he has managed to separate good from evil in himself. This discovery he must keep secret, because the bearer of evil, Mr. Hyde, has become uncontrollable.

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.

Television adaptation of the novel by R.L. Stevenson about the upright Dr Jekyll whose experiments lead him to discover a way to separate out good and evil in a man, and lead to him becoming the persona of the immoral Mr Hyde when taking the substance. However, he finds that the splitting begins to occur of its own accord and he loses control over it.