Question:  I'll Take Romance starred Grace Moore, Melvyn Douglas, Helen Westley, Stuart Erwin and this American film character best known for her portrayal of who?
Sentence (from "Margaret Hamilton (actress)"): 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).
Relevant evidence: Yes