On Chesil Beach is a romantic drama film directed by Dominic Cooke. Anne-Marie Duff stars as Marjorie Mayhew, the mother of the male protagonist, Edward Mayhew. The film is based on the novel of the same name by Ian McEwan and follows the story of a young couple, Florence and Edward, who are on their honeymoon in 1962. Anne-Marie Duff's character, Marjorie, plays a supporting role in the film, providing insight into Edward's background and family dynamics. On Chesil Beach explores themes of love, intimacy, and societal expectations, offering a poignant and thought-provoking portrayal of a relationship on the brink of change.