The Cast of "Will & Grace"

Guest Cast – Season 9

 
Harry Connick Jr. as Dr. Leo Markus
Dr. Leo Markus
Harry Connick Jr.
 

Dr. Marvin "Leo" Markus, a sexy Jewish doctor, falls for Grace — ruining her and Will's plans to have a baby. After a two-month romance, Leo and Grace impulsively wed. Leo and Grace lived in Leo's apartment in Brooklyn.

Episodes [23]: 05.01, 05.02, 05.03, 05.05, 05.07, 05.08, 05.09, 05.11, 05.14, 05.20, 05.23, 05.24, 06.01, 06.02, 06.03, 06.05, 06.23, 07.01, 07.08*, 08.06, 08.16, 08.23, 09.03

* #07.08: voice only