Question: Who was the director of the 1968 Metrocolor Cold War era suspense and espionage film that had its screenplay written by the novelist who wrote under the pseudonym Ian Stuart?
Sentence (from "Ice Station Zebra"): Ice Station Zebra is a 1968 Metrocolor Cold War era suspense and espionage film directed by John Sturges, starring Rock Hudson, Patrick McGoohan, Ernest Borgnine, and Jim Brown.
Relevant evidence: Yes