It was one of Roman Polanski""s best films - it was his second feature film (afterKnife in the Water (1962)) and his first English language film.Their argument was the beginning of the disintegration of their relationship.BackgroundRosemary""s Baby(1968) is Polish director Roman Polanski""s first American feature film and his second, scary horror film - following his first disturbing film in English titledRepulsion (1965)- about a mentally-unstable, sexually-terrified woman (Catherine Deneuve) left alone in her apartment.[The entire sequence was a foreshadowing of the exciting conclusion of the film when the President was also confronted with a real global crisis of nuclear war.Margaret Berent (Mary Philips), Ellen""s motherRuth (Jeanne Crain), Ellen""s adopted (or foster) sister, actually her cousinGlen also strode up to Richard and greeted him, before everyone was introduced to each other.He was heralded as a very prominent emissary: "Field marshal of the Russian Army, grand master of the hunt, lord of the chamber and ambassador extraordinary from Her Divine Majesty, Elizabeth of Russia.