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.

Dark August is a horror movie featuring Kim Hunter and directed by Martin G. Goldman.

Dark August is currently streaming for free (ad-supported) on Tubi TV and it's also available on ARROW.

It is also possible to buy Dark August on Apple TV, Google Play Movies and YouTube.