“Nyad” VFX Supervisor Jake Braver on Digitally Dropping Annette Bening Into the Open Ocean

Diana Nyad would not be denied. Nyad attempted the treacherous endurance challenge of swimming from Cuba to the Florida Keys more times than a white-tip shark. The effort could have killed her—the ocean certainly tried—but ultimately, after multiple attempts, Nyad succeeded, cemented her legend, and now is the focus of Nyad, the new film from documentarians Jimmy Chin and Elizabeth Chai Vasarhelyi, the directing duo’s first narrative feature. Chin and Vasarhelyi won an Oscar for their work on Free Solo,