Parker will play the misunderstood, green-faced Elphaba, the role created by Tony winner Idina Menzel. Parker succeeds Marcie Dodd, who is currently playing the role.
The actress will join a cast that includes Alli Mauzey as Glinda, Jayne Houdyshell as Madame Morrible, P.J. Benjamin as The Wizard, Kevin Kern as Fiyero, Alex Brightman as Boq, Brynn O'Malley as Nessarose and Timothy Britten Parker as Dr. Dillamond.
In related news, Aaron Tveit, who is currently starring in the Arena Stage production of Next to Normal, will return to the role of Fiyero Jan. 20.
Parker was previously seen on Broadway in Martin Short: Fame Becomes Me. Her screen credits also include "Disaster Movie" and "Meet the Spartans." Parker co-founded the New York theatre company Waterwell Productions.
Wicked features a score by Stephen Schwartz, a book by Winnie Holzman, direction by Joe Mantello and musical staging by Wayne Cilento. The creative team also includes scenic design by Eugene Lee, costume design by Susan Hilferty, lighting design by Kenneth Posner, sound design by Tony Meola, projections by Elaine J. McCarthy, wig and hair design by Tom Watson, music supervision and arrangements by Stephen Oremus, orchestrations by William David Brohn and dance arrangements by James Lynn Abbott.
Wicked won 2004 Tony Awards for Best Actress in a Musical (Menzel), Best Costume Design (Susan Hilferty) and Best Scenic Design (Eugene Lee).
The Gershwin Theatre is located in Manhattan at 222 West 51st Street. For more information visit www.wickedthemusical.com.