The Magic Bow is a 1946 musical romance directed by Bernard Knowles. It was produced by England's Gainsborough Productions who are widely known for their costume dramas. The film stars Stewart Granger as the legendary Italian composer and violinist Niccolo Paganini and focuses in his many romances as well as his musical craft. It is set during the 17th century, around the time of Napoleon. Phyllis Calvert plays the aristocratic French woman Jeanne de Vermond who Paganini falls in love with. Paganini's breathtaking music is supplied by the violin virtuoso Yehudi Menuhin.