Winona Ryder enters Aronofskys Black Swan November 10, 2009 Winona Ryder joins Natalie Portman in movie Black Swan. Winona Ryder has joined the cast of Natalie Portman’s new movie Black Swan. Directed by Darren Aronofsky, the film centres on a rivalry between two ballerinas at a prestigious New York company. Ryder will play Beth, a dancer who is coming to the end of her career. Vincent Cassel and Barbara Hershey have also boarded the project, which reportedly features a lesbian sex scene between Portman and Forgetting Sarah Marshall star Mila Kunis.