Who plays the Wicked Witch of the West on ABC's "Once Upon a time" inspired by the novel by L. Frank Baum?
Zelena (Once Upon a Time):  She is portrayed by Rebecca Mader and was first introduced in the second half of the third season, serving as the new main antagonist. Wicked Witch of the West: The Wicked Witch of the West is a fictional character created by L. Frank Baum as the most significant antagonist in his classic children's novel "The Wonderful Wizard of Oz" (1900).
Rebecca Mader