Saratoga includes Margaret Hamilton.
Margaret Brainard Hamilton ( December 9 , 1902 -- May 16 , 1985 ) was an American film character actress best known for her portrayal of the Wicked Witch of the West in Metro-Goldwyn-Mayer 's classic film The Wizard of Oz ( 1939 ) . Margaret Heafield Hamilton ( née Heafield ; born August 17 , 1936 ) is an American computer scientist , systems engineer , and business owner . Saratoga (film) . The film stars Clark Gable and Jean Harlow in their sixth and final film collaboration , and features Lionel Barrymore , Frank Morgan , Walter Pidgeon , Hattie McDaniel , and Margaret Hamilton .