Guests for the hour-long program also include Book of Mormon Tony nominee Josh Gad and James Bay.
"The Tonight Show" airs on NBC beginning at 11:35 PM ET; check local listings.
Upcoming guests also include the following:
Wednesday, July 22: Guests include Norm Macdonald, JoAnna Garcia Swisher and musical guest Jeremih & Flo Rida with The Roots.
Friday, July 24: Guests include Rachel McAdams, Michael Peña and Robert Klein.
Monday, July 27: Guests include Tom Cruise, Dick Cavett and musical guest Ashley Monroe. Buddy Guy sits-in with The Roots.