Audrey Hepburn was seriously injured when she was thrown by a horse between scenes. Hepburn, who was several months pregnant, spent six weeks in the hospital and completed her role wearing a back brace, which her wardrobe had to be redesigned to hide. Sadly, she suffered a miscarriage a few months later, which some blamed on her injury from this movie. 'Huston, John' blamed himself for the mishap and hated this movie. Hepburn, however, bore no ill will towards the director. While Hepburn was in hospital, Huston filmed scenes using a double.