Kazee will play a man who Joan (Lucy Liu) meets via online dating. Also set to appear on the upcoming season are Tony nominees and Bonnie & Clyde co-stars Laura Osnes and Jeremy Jordan.
Kazee, Jordan and Osnes are all slated to appear in October episodes.
Additionally, Lynn Collins ("True Blood") will also guest star this season as a math professor who helps Sherlock (Jonny Lee Miller) and Joan with the investigation of two murdered mathematicians.
"Elementary" will return to CBS Sept. 26 at 10 PM ET. Visit CBS.com/Shows/Elementary.
