The day-long event, hosted by Peters and Moore and sponsored by ASPCA and Pedigree, is scheduled for 3:30-6:30 PM. Peters will autograph copies of her best-selling tome, also called "Broadway Barks," at 1 PM.

The celebrity presentations of pets from citywide animal shelters will begin at 5:30 PM. Celebrity participants will include Elizabeth Ashley, Bill Berloni, Matt Cavanaugh, Michael Cerveris, Gavin Creel, Hope Davis, Christine Ebersole, Rupert Everett, Sutton Foster, John Glover, Lauren Graham, Kate Jennings Grant, Haydn Gwynne, Allison Janney, Gregory Jbara, Andy Karl, Marc Kudisch, Angela Lansbury, Michael Mastro, Judy McLane, Constantine Maroulis, Karen Olivo, David Hyde Pierce, Alice Ripley, Bryce Ryness, Christopher Sieber, J. Robert Spencer, John Tartaglia, Harriet Walter and Chandler Williams.

"According to recent statistics, we learned that we are making a difference," said Mary Tyler Moore in a statement. "In 2002, the rate of euthanasia among shelter animals was at 74% of total intake. We are proud that as a result of our efforts, in 2008, the number of animals killed in NYC shelters has dropped to 39% of total intake. That means nearly 15,000 fewer animals have been euthanized in our city's shelters compared to 2003."

Bernadette Peters, who adopted her dogs, Kramer and Stella, from the ASPCA and the AC&C added, "We’re doing our part to make New York City a more humane place for animals. Through our collaborative efforts, of which Broadway Barks is a part, we’re moving steadily toward our goal of ensuring that every healthy and treatable dog and cat in New York City has a home."

Proceeds from the auction and other donations received during the day will benefit the shelters and organizations attending Broadway Barks 11. Shubert Alley is located in Manhattan between 44th and 45th Streets, between Broadway and Eighth Avenue.

For more information call (212) 840-0770, ext. 477 or visit www.BroadwayBarks.com.