Secret of the Incas shot in Peru before. Wendell Corey was originally announced as star. In July 1953 Paramount took over Hal Wallis' contract with Charlton Heston and announced he would make the film after he finished "The Naked Jungle". "Secret of the Incas" was filmed on location in Peru at Cuzco and Machu Picchu, the first time that a major Hollywood studio filmed at this archeological site. A sixteen person unit including Heston, producer Mel Epstein and director Jerry Hopper spent a month filming footage in Peru in 1953. Five hundred indigenous people were used as extras in the film. The film also
Machu Picchu Spanish never found Machu Picchu and so did not plunder or destroy it, as they did many other sites. The conquistadors had notes of a place called "Piccho", although no record of a Spanish visit exists. The types of sacred rocks defaced by the conquistadors in other locations are untouched at Machu Picchu. Over the centuries, the surrounding jungle overgrew the site, and few outside the immediate area knew of its existence. The site may have been discovered and plundered in 1867 by a German businessman, Augusto Berns. Some evidence indicates that German engineer J. M. von Hassel arrived earlier.