Murder Obsession (1981)

Michael, a thriving actor, grapples with a dark secret from his youth: he murdered his father. Seeking a weekend escape, he and his girlfriend Deborah visit his mother, where they are unexpectedly joined by his film director and other colleagues. Tensions rise as the superstitious housekeeper Oliver casts a wary eye on the group. As unsettling incidents begin to plague the guests, Michael's anxiety grows, fearing that his traumatic past might resurface, threatening to unravel both his sanity and the fragile relationships around him.