This movie had a major influence on Sergio Leone, who worked with director Robert Aldrich on Sodom and Gomorrah (1962).
Although Joseph Cotten brought all his own food and water from the States to the shoot in Mexico, it was to no avail. He was the first of the film crew to get sick.
Filming of the cattle drive proved problematic as the bulls would frequently be seen mounting the cows.
Rock Hudson drew unstinting praise from director Robert Aldrich, who was enormously impressed with his lack of ego and sheer professionalism.
Lauren Bacall was offered the role of Belle Breckinridge, but found the subject matter to be rather offensive.