With music and lyrics by Stephen Schwartz and a book by Winnie Holzman, Wickedtells the story of how two unlikely friends grow to become the Wicked Witch of the West and Glinda the Good.
Mauzey will return to Wicked having previously starred as Glinda in both the Broadway and San Francisco productions. She starred as Lenora in the Broadway production of Cry-Baby and played Brenda in Hairspray on Broadway.
Kelso's Broadway credits include Sky in Mamma Mia.
The cast also includes Justin Brill (Boq), Emily Ferranti (Nessarose), Paul Slade Smith (Dr. Dillamond), Carla Stickler (Standby for Elphaba) and Natalie Daradich (Standby for Glinda) with Lauren Boyd, Antonette Cohen, Rick Desloge, Luis Augusto Figueroa, Timothy A. Fitz-Gerald, Dominic Giudici, Napoleon W. Gladney, Brenda Hamilton, Courtney Iventosch, Trevor Ryan Krahl, Renee Lawless-Orsini, Philip Dean Lightstone, Marissa Lupp, Michael Mahany, Alli McGinnis, Lesley McKinnell, Kevin McMahon, Ashley Dawn Mortensen, Christopher Russo, Adea Michelle Sessoms, Pamela Shandrow, Shanna VanDerwerker, Nicky Venditti, and Mikey Winslow.