As previously announced, Jeff Calhoun — of Big River fame — will direct the 8 PM concert, which will pay tribute to legendary theatre director and producer Harold Prince. The evening will feature choreography by Chase Brock and musical direction by Phil Reno, who will lead a live orchestra. Fireworks will follow the performance.

Michael Arden (Big River), Carolee Carmello (Mamma Mia!), Kevin Clay, Manoel Felciano (Sweeney Todd), Renée Elise Goldsberry (The Color Purple), Donna McKechnie (A Chorus Line), Matthew Morrison (The Light in the Piazza), Anika Noni Rose (Caroline, or Change), Kelli O'Hara (The Pajama Game), Elaine Stritch (Company) and Grammy Award winner Lee Ann Womack have been added to the cast.

Those already scheduled to lend their voices include Michael Cerveris (Sweeney Todd), John Cullum (Urinetown), Christine Ebersole (Grey Gardens), Sutton Foster (The Drowsy Chaperone), Shuler Hensley (Tarzan), Brian d'Arcy James (The Lieutenant of Inishmore), Jane Krakowski (Nine), Rebecca Luker (Mary Poppins), Bebe Neuwirth (Chicago) and the cast of Jersey Boys (Christian Hoff, Michael Longoria, Daniel Reichard and J. Robert Spencer).

In a statement, director Calhoun said, "Talk about 'a walk in the park'! How often does a director have the opportunity to work with this many of Broadway's most shining stars as well as 12 of the most accomplished dancers in the city? Collectively they have been nominated for over 40 Tony Awards and have garnered 18. This is an evening of music from the shows of the greatest director/producer in the American musical theatre. It doesn't get much better than this."

Hal Prince is the recipient of 22 Tony Awards and the Kennedy Center Honors. Among the Broadway shows he has directed and produced are Follies, A Little Night Music and Sweeney Todd. His most recent Broadway directorial credits include The Phantom of the Opera, Kiss of the Spider Woman, Candide, Parade, Show Boat and Hollywood Arms; he also helmed the out-of-town productions of Stephen Sondheim's Bounce. Those attending should enter the park at West 81st Street at Central Park West or East 79th Street at Fifth Avenue. For more information visit broadwayunderthestars.com.

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WCBS-TV will broadcast a one-hour program featuring highlights from the concert on July 15 at 7 PM ET; check local listings.