Katie Couric will interview Radcliffe March 13 on "CBS Sunday Morning"; while "The Today Show" will also welcome the star March 15 during the 8-9 AM hour; and "Live! With Regis & Kelly" will feature Radcliffe March 17.

The "Harry Potter" and Equus star is making his Broadway musical debut in How to Succeed, which began previews Feb. 26 towards a March 27 opening at the Al Hirschfeld Theatre.

Directed and choreographed by Tony Award winner Rob Ashford (Parade, Thoroughly Modern Millie, Promises, Promises), How to Succeed will officially open March 27. The musical features a score by Frank Loesser with a book by Abe Burrows, Jack Weinstock and Willie Gilbert.

Principal casting includes Radcliffe as J. Pierrepont Finch with Emmy Award-winning actor John Larroquette ("Night Court") as World Wide Wicket Company president J.B. Biggley, Emmy Award winner and Tony Award nominee Tammy Blanchard (Gypsy, "Life with Judy Garland: Me and My Shadows") as office bombshell Hedy La Rue, Christopher J. Hanke (In My Life, Cry-Baby) as Bud Frump, Rose Hemingway (Parade at the Mark Taper Forum) in her Broadway debut as Rosemary Pilkington, Rob Bartlett (Chicago, Little Shop of Horrors) as Twimble/Wally Womper, Mary Faber (American Idiot, Avenue Q) as Smitty, Ellen Harvey (Thou Shalt Not, The Music Man) as Miss Jones and Michael Park (Middletown) as Bert Bratt.

How to Succeed… follows a young window washer, who with the help of the titular book, rises to the top of the World Wide Wicket Company in New York City.

For tickets, priced $52-$132, phone (212) 239-6200 or visit Telecharge. The Al Hirschfeld Theatre is located at 302 West 45th Street.