TheaterMania remembers the most infamous lip-slip of the year (and its painfully protracted fallout).
The 54 Below event will also feature Ruthie Ann Miles, Patti Murin, Ben Platt, and others.
Robin De Jesús also joins the company of the long-running hit musical.
Williams won the Project Runway Wicked Challenge on November 13.
Roscioli will replace fellow Wicked alum Teal Wicks.
Items dedicated to the likes of Barbra Streisand, Robin Williams, and Joan Rivers also helped the charity rake in the dough.
The cabaret will play Broadway night spot 54 Below.