The production currently features Max Crumm, Charity Dawson, and Rudetsky himself.
The musical comedy's cocreator Seth Rudetsky will host the evening.
Crumm, David Hibbard, and Judy Gold arrive in the musical this February.
Bunheads star Stacey Oristano and comedian Judy Gold are also slated to join the musical spoof this winter.
The fantastic Mary Testa appeared in three different shows across New York in 2013. Let's celebrate her!
Michele Ragusa will depart the production later this week.
Plotnick will join the cast of the parody musical next week.
The production stars John Treacy Egan, Mary Testa, and more.
The new musical plays St. Luke's Theatre.