Erin Ashley Mackey (born June 19, 1986)[1][2] is an American stage actress and singer, known for playing the role of Glinda in the Chicago, Los Angeles, Broadway, and Second National Tour productions of the musical Wicked.

In 2004, after graduating from Fullerton Union High School, she decided to continue to pursue her passion for theater, attending Carnegie Mellon University.

[5] In June 2011, Mackey played the role of Lucy Steele in the reading of a new musical based on Jane Austen's Sense & Sensibility.

[9] Mackey's other theater include Clara Johnson in the 2014 South Coast Repertory Theatre production of The Light in Piazza,[10] Johanna in the New York Philharmonic's March 2014 concert of Sweeney Todd: The Demon Barber of Fleet Street,[11] and Ensign Nellie Forbush in the 2014 Paper Mill Playhouse and 2020 Goodspeed Musicals productions of South Pacific.

[12][13] She starred as Mary Catlett in the world premiere of the musical, Amazing Grace from October to November 2014 playing a role she would later reprise on Broadway.

[18] After her first year of college, Mackey auditioned for the musical Wicked[3] and was offered a role as a swing on the national touring production.

She then transferred to the Los Angeles production, replacing Megan Hilty as Glinda from May 20, 2008, and starred opposite Teal Wicks as Elphaba through September 28, 2008.