The network offered no further details about the number, however, it did say this will be the most people to ever perform together on a Tonys telecast.
Other performances planned for Broadway's biggest night include a medley of "Life is Like a Train," "On the 20th Century," "I've Got It All" and "Babette" featuring nominee and co-host Kristin Chenoweth and the cast of On the 20th Century, as well as a mashup of "Getting to Know You" and "Shall We Dance?" from The King and I featuring nominees Kelli O'Hara, Ken Watanabe and Ruthie Ann Miles.
Also confirmed for the musical performance lineup are stage stars Sydney Lucas, Michael Cerveris, Beth Malone, Brian d'Arcy James, Brad Oscar, Chita Rivera, and the casts of On the Town, Something Rotten! and An American in Paris.
Presenters to take part during the evening are Jason Alexander, Rose Byrne, Bobby Cannavale, Anna Chlumsky, Bradley Cooper, Misty Copeland, Bryan Cranston, Larry David, Taye Diggs, Sutton Foster, Neil Patrick Harris, Marg Helgenberger, Joe Manganiello, Debra Messing, Jennifer Nettles, Jim Parsons, David Hyde Pierce, Thomas Sadoski, Amanda Seyfried, Taylor Schilling, Corey Stoll, Kiefer Sutherland, Sting, Ashley Tisdale, Tommy Tune and Rita Wilson.