Katie Adams was the standby for Glinda in the Broadway production of Wicked in 2005. On December 20, 2005, she replaced Stacie Morgain Lewis. She was then succeeded by Alli Mauzey as standby in April of 2007, and then returned to the role of Glinda standby in October of the same year. Adams was replaced by Laura Woyasz in February of 2009.
Adams was also part of the Wicked Original First National Tour Cast. She was part of the ensemble and also understudy for Glinda.