The Aug. 7 invitation-only event, which will also celebrate the actor's birthday, will include the unveiling of Urie's portrait.
Guests are scheduled to include Buyer playwright Jonathan Tolins and director Stephen Brackett as well as Alan Cumming, Vanessa Williams, Laura Osnes, Laura Benanti, Mark Indelicato, Ryan Spahn, Claudia Shear, Rachel Dratch, Michael Park, Santino Fontana, Annaleigh Ashford, Brian J. Smith, Shalita Grant, Ben Rimalower, Billy Morrissette, Halley Feiffer, Jon Marans, Lauren Molina, Nicholas Martin, Randy Harrison and Victor Jeffreys.
Tony's Di Napoli is located in Manhattan at 147 West 43rd Street.