Dark August (1976)

A young girl is accidentally run down by a car driven by a careless city slicker. This careless injustice provokes the girl’s grandfather into summoning his mystical powers and placing a death curse on the young man. Desperate to stave off the dire consequences of the hex, Barry seeks the counsel of a local psychic medium
Martin G. Goldman, Walter Rearick
Kim Hunter, J.J. Barry, Carolyne Barry, Kate McKeown, Frank Bongiorno, William Robertson, Richard Allan Fay, Martin Harvey Friedberg, Kenneth W. Libby, Stan Shefler, Kenneth Kaplan, Gerry Lou, Randie Wilder, Karen Lewis
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