Kirsten Dunst is set to star in "The Housemaid's Secret," a sequel to the hit "The Girl," starring alongside Sydney Sweeney. The film is based on Freida McFadden's best-selling novel and follows Sweeney as Millie, a young woman with a mysterious past hired as a live-in maid for a wealthy family. Paul Feig will direct the film and screenwriter Rebecca Sonnenshine will also return. Amanda Seyfried and Brandon Sklenar will not be returning for the sequel due to the focus on a new family. The producers will include Hidden Pictures' Todd Lieberman, Feig, and Sweeney's Fifty-Fifty Films banner.