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Denied steady work in the U.S. because of his alleged left-wing political beliefs, Edward G. Robinson was obliged to seek out film roles elsewhere in 1950. My Daughter Joy stars Robinson as self-made businessman George Constantin, whose ruthlessness knows no bounds. In fact, Constantin hopes to control the economy of the world, thereby calling the shots for everything and everybody. Outside of his business activities, the only thing he cares about is his daughter Georgette (Peggy Cummins), known to everyone as Joy. As part of a scheme to gain a valuable material necessary for a top-secret project, Constantin arranges a marriage between Joy and the son of a Middle Eastern potentate. But Joy is in love with journalist Larry Boyd (Richard Greene), who has been conducting an investigation of Constantin's questionable business practices. Constantin has every intention of squelching his beloved daughter's happiness for the sake of megalomania -- until he is devastated by the revelation of a deep, dark secret long held by his wife (Nora Swinburne). My Daughter Joy was released in the U.S. as Operation X.