Marilyn Nash (October 26, 1926 – October 6, 2011) was an American actress and casting director. She was best known for starring in the 1947 Charlie Chaplin film, Monsieur Verdoux.
Nash was born in Flint, Michigan, and attended the University of Arizona with the intention of pursuing medicine as her chosen career. However, her professional career path changed when she traveled to Los Angeles with her mother while attending Arizona. By chance, Nash met actor and director Charlie Chaplin while playing tennis at the Beverly Hills Hotel. Chaplin quickly signed Nash as an actress in his Charlie Chaplin Studios. He then cast her in his black comedy, Monsieur Verdoux, which was released in 1947.
Nash appeared in just one other film during her career, the 1951 science fiction adventure picture, Unknown World. She portrayed a doctor in the film. She then switched to television and stage roles during the 1950s. Her television credits including Hopalong Cassidy in 1952 and Medic in 1955.
She moved to Oroville, located in northern California, with her second husband, Dr. Donald P. Franks. There Nash worked as a casting director, specializing specifically in films shot in the region surrounding Oroville. Her casting credits included The Great Smokey Roadblock, The Klansman and The Outlaw Josey Wales.