The 6:30 PM event will feature Griffiths reading the classic holiday poem "The Night Before Christmas." He will be joined by Kermit the Frog, Grandma from the Big Apple Circus, The Mistletones, and, of course, a special appearance by Santa Claus.
Macy's holiday windows will also be unveiled Nov. 23.
The ceremony will be held at Macy's Herald Square, located on Broadway between 34th and 35th Street.
Equus is playing a limited engagement at the Broadhurst Theatre through Feb. 8, 2009. Tickets, priced $61.50-$116.50, are available by calling (212) 239-6200 or by visiting www.telecharge.com. Fifty-two onstage seats are available for each performance.