Question: Do both directors of films Tropic Zone (Film) and Viruthan Shanku share the same nationality?
Sentence (from "Tropic Zone (film)"): Tropic Zone is a 1953 American crime film written and directed by Lewis R. Foster and starring Ronald Reagan, Rhonda Fleming, Estelita Rodriguez, Noah Beery Jr., Grant Withers and John Wengraf.
Relevant evidence: Yes