How many stars did MGM have in its heyday? July 11, 2020 by Pamela Landy In 1938, MGM had about 120 stars and featured players under contract. Related Answers Why does Ivory soap float? What day was Louis B. Mayer’s birthday? Why does MGM have a lion for a trademark animal? Whom did author Margaret Mitchell suggest to MGM to play Rhett Butler in Gone With the Wind (1939)? When did Dore Schary replace Louis B. Mayer as studio head of MGM? Who are the most married Hollywood stars?