Found this The life and times of Don Luis Buñuel (1/7 parts) just now.
Here is Jeanne Moreau talking about her collaboration with Luis Buñuel.
Moreau as a chambermaid from the Diary of Chambermaid by Luis Buñuel.
This chambermaid from Buniel was a cool observer.
The trailer for Tristana here)
or part1 of English subtitles and see the whole film on youtube.