Question: Who directed the 1980 British-American horror film that Rick Heinrichs worked on when he started his career?
Sentence (from "The Watcher in the Woods"): Based on the 1976 novel of the same name by Florence Engel Randall, the film tells the story of a teenage girl and her little sister who become encompassed in a supernatural mystery regarding a missing girl in the woods surrounding their new home in the English countryside.
Relevant evidence: No