Glinda, also known as the Good Witch of the South, is a fictional character created by L. Frank Baum in his Oz novels. She first appears in Baum's classic 1900 children's novel The Wonderful Wizard of Oz, and is the most powerful sorceress in the Land of Oz, ruler of the Quadling Country South of the Emerald City, and protector of Princess Ozma.
Add actors/actresses and cast the roles/films/series that they were rumored, considered, offered, negotiated, auditioned, turned down, and/or originally casted before getting recasted. (Please double-check in research.)