- Banned in the Soviet Union: Because the whole idea of people wanting to "leave a party" was considered to be offensive and anti-government.
- The Other Darrin: Lucy Gallardo had to replace the uncredited Rita Macedo as "Lucia de Nobile" because of Macedo's pregnancy.
- What Could Have Been: A working title was The Castaways of Providence Street.
- Buñuel himself has said that if he had shot the film later in Paris, it would have been much more extreme, specifically that it would have involved cannibalism.
Trivia / The Exterminating Angel