Mendez will succeed Willemijn Verkaik, who plays her final performance May 26.
Mendez will join a cast that currently includes Katie Rose Clarke as Glinda, Kyle Dean Massey as Fiyero, Randy Danson as Madame Morrible, Adam Grupper as The Wizard, Catherine Charlebois as Nessarose, F. Michael Haynie as Boq and John Schiappa as Dr. Dillamond.
Mendez appeared on Broadway as the "Bless the Lord" soloist in the 2011 revival of Godspell. Other credits include Everyday Rapture (both on Broadway and in its Off-Broadway world premiere), Grease (2007 Broadway revival) and The Marvelous Wonderettes (Off-Broadway).
Adapted from the novel by Gregory Maguire, Wicked delves into the back story of the iconic characters from Oz. The hit musical has a score by Stephen Schwartz, a book by Winnie Holzman, direction by Joe Mantello and musical staging by Wayne Cilento.
Wicked won Tony Awards for Costume Design, Scenic Design and Best Actress in a Musical (Idina Menzel). It was nominated as Best Musical.
For tickets visit WickedtheMusical.