Question: Do both films Blackrock (Film) and Fiend (Film) have the directors that share the same nationality?
Sentence (from "Fiend (film)"): Fiend is a 1980 American B movie science fiction horror film directed and written by low-budget filmmaker Don Dohler, shot in Perry Hall, Maryland and starring Don Leifert, Elaine White, Richard Nelson, and George Stover.
Relevant evidence: Yes