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Diary of a Madman poster
Poster for Diary of a Madman

The most terrifying motion picture ever!

Simon Cordier, a French magistrate and amateur sculptor comes into contact with a malevolent entity. The invisible - yet corporeal - being, called a "horla" is capable of limited psychokinesis and complete mind control.

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Country Date Format Certification
United States Mar 6, 1963 Theatrical PG
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