Olga Chekhova
Olga Konstantinovna Chekhova, born Knipper March 1980, Munich, West Germany was a RussianGerman actress. Her film roles include the female lead in Alfred Hitchcocks Mary .
Born Olga Knipper, she was the daughter of Konstantin Knipper, a railway engineer and the niece and namesake of Olga Knipper , both Lutherans of ethnic German ancestry. She went to school in Tsarskoye Selo but, after watching Eleonora Duse, joined the Moscow Art Theatres studio. There she met the great actor Mikhail Chekhov in 1915 and married him the same year, taking his surname as her own. Their daughter, also named Olga, was born in 1916.
Source: Wikipedia