The exterior scenes were shot near St. George, Utah, 137 miles (220 km) downwind of the United States government's Nevada National Security Site. In 1953, 11 above-ground nuclear weapons tests occurred at the site as part of Operation Upshot–Knothole. The cast and crew spent many difficult weeks at the site, and Hughes later shipped 60 tons of dirt back to Hollywood in order to match the Utah terrain and lend realism to studio re-shoots. The filmmakers knew about the nuclear tests but the federal government assured residents that the tests caused no hazard to public health.
Director Powell died of cancer in January 1963, seven years after the film's release. Armendáriz was diagnosed with kidney cancer in 1960, and killed himself in June 1963 after he learned his condition had become terminal. Hayward, Wayne, and Moorehead all died of cancer in the 1970s. Hoyt died of lung cancer in 1991. Skeptics point to other factors such as the wide use of tobacco – Wayne and Moorehead in particular were heavy smokers, and Wayne himself believed his lung cancer to have been a result of his six-packs-a-day cigarette habit. The cast and crew totaled 220 people. By the end of 1980, as ascertained by People magazine, 91 of them had developed some form of cancer and 46 had died of the disease. Several of Wayne and Hayward's relatives who visited the set also
Tuesday, January 9, 2018
The cursed filming of John Wayne's movie "The Conqueror"