When was Kathryn Grayson of the 1946 American musical comedy, Ziegfeld Follies, under contract to Metro-Goldwyn-Mayer?
Ziegfeld Follies (film):  It stars many of MGM leading talents, including Fred Astaire, Lucille Ball, Lucille Bremer, Fanny Brice (the only member of the ensemble who was a star of the original Follies), Judy Garland, Kathryn Grayson, Lena Horne, Gene Kelly, James Melton, Victor Moore, William Powell, Red Skelton, and Esther Williams. Kathryn Grayson: Kathryn Grayson (February 9, 1922 – February 17, 2010) was an American actress and coloratura soprano. Kathryn Grayson:  From the age of twelve, Grayson trained as an opera singer.
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