Michael ConstantineMichael Constantine (born Gus Efstratiou (Ευστρατίου); May 22, 1927 – August 31, 2021) was an American actor. He is most widely recognized for his portrayal of Kostas "Gus" Portokalos, the Windex bottle-toting Greek father of Toula Portokalos (Nia Vardalos), in the film My Big Fat Greek Wedding (200FilmographyMy Big Fat Greek Wedding 2 (2016)My Big Fat Greek Wedding (2002)The Juror (1996)My Life (1993)Prancer (1989)Pray for Death (1985)Electra Woman and Dyna Girl (1976)The Reivers (1969)If It's Tuesday, This Must Be Belgium (1969)Room 222 (1969)Don't Drink the Water (1969)Skidoo (1968)The Hustler (1961)