Stewart is the same age as Diana during the time of her life that the movie is based on. Kristen Stewart on the movie set for the film ”Spencer” in Germany. ZUMAPRESS.com According to IMDB ...

Diana Nyad’s famous Cuba to Florida swim is now a film starring Annette Bening and Jodie Foster. Diana’s friend, top editor and former Time magazine journalist Elaine Lafferty, chronicled it.