The drama will end its run far earlier than expected.
The play will feature a rotating cast including Brian Dennehy, Mia Farrow, Carol Burnett, and more.
Diana Rigg and Mia Farrow will also take part in the drama's first-ever revival.
Previously announced cast members also include Annaleigh Ashford, Rose Byrne, Kristine Nielsen, and more.
The newly minted honorees gather for the yearly Tony press junket at the Paramount Hotel.
The honor will be bestowed during the 2014 Tony Awards on June 8.