 in a kind of screen test as Ravenal and  Magnolia in the Kern film biography "Till The Clouds Roll By" (and  Grayson did eventually appear in the 1951 "Show Boat"). The third  lead in the film, the biracial Julie, was considered at various  times for Judy Garland (I) (qv), Dinah Shore (qv), and  Lena Horne (qv). Shore, although not a major film star, did have a  somewhat exotic visage at the time