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The film'White Nights', starring Mikhail Baryshnikov, features a talented cast including Helen Mirren, Isabella Rosselini, and Gregory Hines. Mirren portrays a woman drawn into the complicated lives of the main characters, while Rosselini plays an aspiring ballerina who captures Baryshnikov's heart. Hines showcases his dancing skills as a performer alongside Baryshnikov. Together, these actors bring depth and energy to the film's narrative, creating a memorable cinematic experience.