CBS News' "The Early Show" hosts Hannah Storm and Dave Price anchor the 80th annual New York City Macy's-sponsored event Nov. 23 on CBS, 9 AM-12 noon (ET). Check your local listings.

Harris, star of Broadway's Assassins and CBS' "How I Met Your Mother," will lend a hand as he reports live from the streets of Manhattan, interacting with the crowd. Performances on the CBS broadcast — to take place at several locations around the city — will include country music's Rascal Flatts and vocalist Josh Groban.

Broadway will also lend some of its stars as Jersey Boys quartet Daniel Reichard, J. Robert Spencer and Tony Award winners Christian Hoff and John Lloyd Young perform a medley of Frankie Valli and the Four Seasons songs, including "My Eyes Adored You," "Dawn (Go Away)" and "December, 1963 (Oh What A Night)" (scheduled for 9:30 AM). Tony winners Bob Martin and Beth Leavel are also slated to appear (at 11 AM) performing The Drowsy Chaperone song "As We Stumble Along."

Ricky Kirshner and Glenn Weiss serve as executive producers for "The Thanksgiving Day Parade On CBS." Weiss also directs. Eugene Pack is the writer.

Over on NBC, cast members from A Chorus Line, Dr. Seuss' How the Grinch Stole Christmas: The Musical, The Color Purple and Spamalot will perform on the program with special performances by current Haispray star Diana DeGarmo and White Christmas.