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?

full_context: Document 1: The Satan Bug (novel): The Satan Bug is a first-person narrative thriller novel written by Scottish author Alistair MacLean. It was originally published in 1962 under the pseudonym Ian Stuart, and later republished under MacLean's own name.
Document 2: The Dark Crusader: The Dark Crusader is a 1961 thriller novel by Scottish author Alistair MacLean. The book was initially written under the pseudonym Ian Stuart and later under his true name. It was released in the United States under the title: The Black Shrike.
Document 3: Fail Safe (1964 film): Fail Safe is a 1964 Cold War thriller film directed by Sidney Lumet, based on the 1962 novel of the same name by Eugene Burdick and Harvey Wheeler. It portrays a fictional account of a nuclear crisis. The film features performances by actors Henry Fonda, Dan O'Herlihy, Walter Matthau and Frank Overton. Larry Hagman, Fritz Weaver, Dom DeLuise and Sorrell Booke appeared in early film roles.
Document 4: Force 10 from Navarone (film): Force 10 from Navarone is a 1978 British war film loosely based on Alistair MacLean's 1968 novel of the same name. It is a sequel to the 1961 film "The Guns of Navarone". The parts of Mallory and Miller are played by Robert Shaw (who died before the film was released) and Edward Fox, succeeding the roles originally portrayed by Gregory Peck and David Niven. It was directed by Guy Hamilton and also stars Harrison Ford, Carl Weathers, Barbara Bach, Franco Nero, and Richard Kiel.
Document 5: Andy McNab: Steven Billy Mitchell, (born 28 December 1959), usually known by the pseudonym and pen-name of Andy McNab, is an English novelist and former Special Air Service sergeant.
Document 6: John Frankenheimer: John Michael Frankenheimer (February 19, 1930 – July 6, 2002) was an American film and television director known for social dramas and action/suspense films. Among his credits were "Birdman of Alcatraz" (1962), "The Manchurian Candidate" (1962), "Seven Days in May" (1964), "The Train" (1964), "Seconds" (1966), "Grand Prix" (1966), "French Connection II" (1975), "Black Sunday" (1977), and "Ronin" (1998).
Document 7: 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. His works include "The Guns of Navarone", "Ice Station Zebra" and "Where Eagles Dare" – all three were made into popular films. He also wrote two novels under the pseudonym Ian Stuart.
Document 8: The Deadly Affair: The Deadly Affair is a 1966 British espionage–thriller film, based on John le Carré's first novel "Call for the Dead". The film stars James Mason, Harry Andrews, Simone Signoret and Maximilian Schell and was directed by Sidney Lumet from a script by Paul Dehn. In it George Smiley, the central character of the novel and many other le Carré books, is renamed Charles Dobbs as Paramount, which owned the film rights of their recently filmed "The Spy Who Came in from the Cold", had the rights to the Smiley character. The soundtrack was composed by Quincy Jones, and the bossa nova theme song, "Who Needs Forever", is performed by Astrud Gilberto.
Document 9: The Manchurian Candidate (1962 film): The Manchurian Candidate is a 1962 American black and white neo-noir Cold War suspense thriller film scripted by George Axelrod, from the 1959 Richard Condon novel "The Manchurian Candidate", produced by Axelrod and John Frankenheimer, directed by Frankenheimer, and starring Frank Sinatra, Laurence Harvey, and Janet Leigh; co-starring are Angela Lansbury, Henry Silva, and James Gregory. "The Manchurian Candidate" concerns the brainwashing of the son of a prominent political family, who becomes an unwitting assassin in an international communist conspiracy.
Document 10: 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. The screenplay by Alistair MacLean, Douglas Heyes, Harry Julian Fink, and W. R. Burnett is loosely based upon MacLean's 1963 novel of the same name. Both have parallels to real-life events that took place in 1959. The film was photographed in Super Panavision 70 by Daniel L. Fapp, and presented in 70 mm Cinerama in premiere engagements. The original music score is by Michel Legrand.
Document 11: The Way to Dusty Death: The Way to Dusty Death is a thriller novel written by Scottish author Alistair MacLean. It was originally published in 1973. The title is a quotation from the famous soliloquy in Act 5, Scene 5 in Shakespeare’s play "Macbeth".
Document 12: Nevil Shute: Nevil Shute Norway (17 January 189912 January 1960) was an English novelist and aeronautical engineer who spent his later years in Australia. He used his full name in his engineering career and Nevil Shute as his pen name to protect his engineering career from any potential negative publicity in connection with his novels, which included "On the Beach" and "A Town Like Alice".
Document 13: Bridge of Spies (film): Bridge of Spies is a 2015 historical drama legal thriller film directed and co-produced by Steven Spielberg, written by Matt Charman, Ethan and Joel Coen and stars Tom Hanks, Mark Rylance, Amy Ryan, and Alan Alda. Set during the Cold War, the film tells the story of lawyer James B. Donovan, who is entrusted with negotiating the release of Francis Gary Powers—a U.S. Air Force pilot whose U-2 spy plane was shot down over the Soviet Union in 1960—in exchange for Rudolf Abel, a convicted Soviet KGB spy held under the custody of the United States, whom he represented at trial. The name of the film refers to the Glienicke Bridge, which connects Potsdam with Berlin, where the prisoner exchange took place. The film was an international co-production of the United States and Germany.
Document 14: Forbidden Area: Forbidden Area is a 1956 Cold War thriller novel by Pat Frank. Its plot involves Soviet sleeper agents intended to sabotage the U.S. war effort, who have been trained by classical conditioning to have an American "cover identity" that they can remember as well as their own. Rod Serling adapted it for the debut episode of the American television anthology series "Playhouse 90", directed by John Frankenheimer and starring Charlton Heston, Diana Lynn, Vincent Price, Victor Jory and Charles Bickford.
Document 15: Filming of James Bond in the 1960s: Ian Fleming, the writer who created the fictional character James Bond, lived to see the success of his novels depicted on screen before he died. All fourteen books in the series created by Fleming went on to be huge successes on screen. Goldfinger, one of the most epic stories in the James Bond saga, became a fan favorite with Shirley Bassey singing the iconic song, Goldfinger, that was played for the fiftieth anniversary of the Bond series at the Oscars in 2012. Bond was played by Sean Connery and George Lazenby in the movies shot throughout the 60s. The Bond movies were filmed all across the world and by different directors each time, with some of the old directors collaborating with the new ones. The success of each Bond film lead to bigger budget prices for the following films adapted to the big screen. Each movie recovered its budget and won critically acclaimed awards the years that they came out. Of all the Bond films in cinema today, Thunderball is the most successful movie with the whole Bond series being the third highest grossing of all time in Hollywood cinema.
ground_truth: John Sturges