The stage and screen actor died after a two-year battle with cancer.
His death was confirmed by his manager, Ellen Lubin Sanitsky, at Wright Entertainment.
The role earned Scolari three Emmy nominations for Outstanding Supporting Actor in a Comedy Series.
Actor Peter Scolari has died at age 66.Michael Tran/FilmMagic
Its run coincided with Scolari being cast as Tad Horvath on the groundbreaking HBO seriesGirls.
Scolari won an Emmy Award for Outstanding Guest Actor in a Comedy Series for his performance.
We will miss you so much."
He will be sorely missed."
