Desc: Ballo al castello: Directed by Max Neufeld. With Alida Valli, Antonio Centa, Carlo Lombardi, Sandra Ravel. While on her way to dance class, ballerina Greta Larsen is given a ride by the handsome crown prince Giorgio. Though it's all very innocent, gossiping tongues begin wagging and before long Greta has been identified as the prince's love.