Biography
Maria Margarethe Anna Schell (15 January 1926, Vienna – 26 April 2005, Preitenegg, Carinthia) was an Austrian/Swiss actress, who won the Volpi Cup for Best Actress at the Venice Film Festival in 1956 for Gervaise. The daughter of a Swiss author and an Austrian actress, she was the older sister of actor Maximilian Schell, and lesser-known actors Carl Schell and Immy (Immaculata) Schell. Description above from the Wikipedia article Maria Schell, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known For

Superman
Vond-Ah

The Making of 'Superman: ...
Self

99 Women
Leonie Caroll

The Odessa File
Frau Miller

Albert Speer und der Trau...
Herself (archive footage)

The Mark
Ruth Leighton

The Devil by the Tail
La comtesse Diane

Dust in the Sun
Gertie Bradford
Master Over Life and Deat...
Barbara Bertram

The Bloody Judge
Mother Rosa