Orange Is The New Black‘s Uzo Aduba and Glee‘s Amber Riley have joined the cast of NBC’s holiday production of The Wiz Live! set for Thursday, December 3.

The final two witches to fly into the project, Aduba, repped by APA, Management 360, and Schreck Rose Dapello & Adams, 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 is Addaperle, the Good Witch of the North who isn’t the best at magic but she does try. She is a sister of Glinda, Evillene and Evvamene, the other three witches of Oz. She points Dorothy to the Yellow Brick Road and her journey to Emerald City.

They join newcomer Shanice Williams as Dorothy, Queen Latifah as the Wiz, Mary J. Blige as Evillene, the Wicked Witch of the West, David Alan Grier as the Cowardly Lion, and Stephanie Mills, who played Dorothy in the original Broadway production of The Wiz, as Auntie Em.

The Wiz Live!, produced by Universal Television in association with Cirque Du Soleil Theatrical, is adapted from The Wonderful Wizard Of Oz by L. Frank Baum, with a book by William F. Brown, and music and lyrics by Charlie Smalls. Craig Zadan and Neil Meron will executive produce. Kenny Leon (Broadway’s A Raisin In The Sun, Holler If Ya Hear Me) is stage director and Matthew Diamond is TV director, with Harvey Fierstein providing new written material. Choreographer Fatima Robinson is also on board, along with music producer Harvey Mason Jr. and Stephen Oremus as music director, orchestrator and co-producer of the music.