Jon Favreau on His First Documentary, National Geographic’s ‘Lion’: Not Knowing Whether the Lead Character Would Survive Was ‘Harrowing’

When renowned wildlife producer Mike Gunton approached “The Lion King” director Jon Favreau about collaborating on a documentary, the director, who had never made a doc, immediately said yes. It was 2022, and Gunton, an executive producer at BBC Studios Natural History Unit, wanted to “supersize” his “Dynasties” series about vulnerable or endangered species, and…