Couric will welcome Tony host Neil Patrick Harris, who will discuss why he and partner David Burtka have decided to move back to New York.
The hour-long program will also feature a chat with Vanya and Sonia co-stars Sigourney Weaver and David Hyde Pierce. Cast members from Motown: The Musical will also make an appearance.
In the New York metropolitan area, "Katie" airs on ABC TV, Channel 7 beginning at 3 PM ET; check local listings.