Chenoweth, who recently completed her limited Broadway concert engagement, My Love Letter to Broadway, will appear on the November 21 broadcast of the NBC talk show; Groff, last on Broadway in the Tony and Pulitzer Prize-winning Hamilton, is scheduled for an appearance November 23.
The Tonight Show airs on NBC weeknights at 11:35 PM ET; check local listings.
Upcoming guests through November 23 follow:
November 17: Guests include Nicole Kidman, Michael Shannon, and musical guest Miranda Lambert.
November 18: Guests include Megyn Kelly, Chris Hardwick, and musical guest Emeli Sande.
November 21: Guests include Jason Sudeikis, Kristin Chenoweth, and musical guest DNCE.
November 22: Guests include Sarah Jessica Parker and Frank Pellegrino Jr.
November 23: Guests include Leslie Mann, Jonathan Groff, and musical guest Machine Gun Kelly and Camila Cabello.
Chenoweth will be seen in the NBC broadcast of Hairspray Live! Groff is part of the cast of the forthcoming Netflix series Mindhunter.