Question: Are the directors of both films Shanghai 13 and Samar (1962 film) from the same country?
Sentence (from "George Montgomery (actor)"): George Montgomery( born George Montgomery Letz, August 29, 1916 – December 12, 2000) was an American actor, painter, director, producer, writer, sculptor, furniture craftsman, and stuntman who is best remembered as an actor in Western film and television.
Relevant evidence: Yes