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 "Alistair MacLean"): Alistair Stuart MacLean (Scottish Gaelic: "Alasdair MacGill-Eain" ; 21 April 1922 – 2 February 1987) was a Scottish novelist who wrote popular thrillers and adventure stories.
Relevant evidence: Yes