Oscar Isaac as Evgeni; James Fox as King George V; David Harbour as Ernest; James D'Arcy as Edward; Natalie Dormer as Elizabeth; Abbie Cornish as Wally Winthrop; Geoffrey Palmer as Stanley Baldwin; Richard Coyle as William Winthrop; Andrea Riseborough as Wallis Simpson; Laurence Fox as Bertie; Judy Parfitt as Queen Mary; Katie McGrath as Lady Thelma; Haluk Bilginer as Mohamed Al-Fayed; Douglas Reith as Lord Brownlow; Liberty Ross as Connie Thaw
In 1998, an auction of the estate of the Duke and Duchess of Windsor causes great excitement. For one woman, Wally Winthrop, it has much more meaning. Wally becomes obsessed by their historic love story. As she learns more about the sacrifices involved, Wally gains her own courage to find happiness.