The untold stories of female spies during the American Civil War will be coming to Prime Video in 2026. It is unclear if The Gray House will tell their stories, or if it is simply inspired by Elizabeth and Mary. During the Civil War, women also became famous for disguising themselves as soldiers, including Sarah Rosetta Wakeman (known as Private Lyons Wakeman). The American Civil War took place between the Union and the Confederacy, which was formed in 1861 by states that had seceded from the Union. Kevin Costner as John Dutton in YellowstoneYellowstone star Kevin has also teamed up with Prime Video for a new comedy film with Jake Gyllenhaal; Honeymoon with Harry is a film that's been in development for 20 years.