Necromancy (1972)

After Lori Brandon suffers a stillbirth, her husband Frank obtains a job with a toy company in northern California. Frank's new boss, the mysterious Mr. Cato, explains that Frank's position will involve magic. Cato, who seemingly holds enormous influence over the town, is pursuing the power of necromancy and believes that Lori holds the key that will help him resurrect his own dead son.