- Country: France, Italy, West Germany
- Genres: Drama
- Release: 1975-04-30
- Director: Dennis Berry
- Writers: Dennis Berry
- Language: French
- Stars: Jean Seberg , Yves Beneyton , Pierre Blaise , Stefania Casini , Isabelle Huppert , Wolfgang Preiss , Gladys Berry , Silke Humel , Jacques Debary , Henri Marteau
- Runtime: 90 min
- Awards: N/A
- AKA: El gran delirio (Spain) , Prossima apertura casa di piacere (Italy) , Le grand délire (France, French Republic) , Die grosse Ekstase , Le grand délire , The Big Delirium , Pierrot la démerde (France, French Republic) , The Big Delirium (United Kingdom) , O grande delírio (Portugal, Portuguese Republic)
- Plot: Young farmer Pierre starts a friendship with John and his sister Sonia, bourgeois young people who invite him to their home, where he falls in love with John's mistress Emily. After the death of his hosts' father, he gets the idea to transform their peaceful house into a brothel.
- IMDB:tt0073079
The Big Delirium Cast · · · ALL
Dennis Berry
Director
Jean Seberg
Emily
Yves Beneyton
John
Pierre Blaise
Pierre
Stefania Casini
Sonia
Isabelle Huppert
Marie
Wolfgang Preiss
Artmann
Robert Rondo
Jean-Michel Molé
Jacques Debary
Georges
Georges Adet
Oskar Freitag
Danièle Nègre
Jean Mermet
Madeleine Bouchez
Larry Douglas
Evane Hanska
Raymonde Vattier