The Visitant (1981)

http://www.imdb.com/title/tt0309044/ A graveside visit turns out to be a never-ending nightmare for a grieving father. Restless spirits and ghastly visitations materialize in the cemetery as if to warn the man of some impending doom. The mystery is unlocked when a familiar apparition from the "other side" unknowingly appears and inadvertently curses him to an eternity in purgatory.