Two films by the legendary Michael Cacoyannis:

Iphigenia with Irene Papas

"A Matter of Dignity" with Dimitri Papmihail - A cynical portrait of Greek upper class life that follows one woman's struggle to escape the dishonesty and conceit of her family.  1958. (Greek with English subtitles)

"Iphigenia" with Irene Papas - The Greek army is about to set sail to a great battle, but the winds refuse to blow. Their leader, King Agamemnon, seeks to provide better food, but accidentally slays a sacred deer. His punishment from the gods, the sacrifice of his daughter Iphigenia. 1977. (Greek with English subtitles)