From Wikipedia, the free encyclopedia. Mary William Ethelbert Appleton Billie Burke (August 7, 1884 – May 14, 1970) was an American actress. She is primarily known to modern audiences as Glinda the Good Witch of the North in the musical film The Wizard of Oz. She was nominated for an Academy Award for her performance as Emily Kilbourne in Merrily We Live. Description above from the Wikipedia article Billie Burke, licensed under CC-BY-SA, full list of contributors on Wikipedia.