Aduba will play Glinda, the Good Witch of the South, who finally reveals the secret of the silver slippers to Dorothy and points her way home.
Riley will portray Addaperle, the Good Witch of the North. She is the sister of Glinda, Evillene and Evvamene, the other three witches of Oz. Addaperle (Miss One) points Dorothy to the Yellow Brick Road and her journey to Emerald City.
The pair joins Queen Latifah, who will play The Wiz; Mary J. Blige who is set as the Wicked Witch of the West; David Alan Grier as the Cowardly Lion; original cast member Stephanie Mills who will play Aunt Em; and Shanice Williams who landed the lead role of Dorothy.[X]