Which German actress starred as Senora Fourneau?
The House That Screamed (1969 film):  The film stars Lilli Palmer as Señora Fourneau the headmistress of a nineteenth-century French boarding school for girls where the students begin to disappear under unusual circumstances. Lilli Palmer: Lilli Palmer (born Lilli Marie Peiser; 24 May 1914 – 27 January 1986) was a German actress and writer.
Lilli Palmer