Michael 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 stubborn Greek father of Toula Portokalos (Nia Vardalos), in the film My Big Fat Greek Wedding (2002). For his performance, Constantine won a Satellite Award...