- Country: France, Italy, West Germany
- Genres: Mystery, Thriller
- Release: 1969-10-31
- Director: Umberto Lenzi
- Writers: Massimo D’Avak , Luciano Martino , Ernesto Gastaldi
- Language: Italian
- Stars: Carroll Baker , Jean-Louis Trintignant , Erika Blanc , Horst Frank , Helga Liné , Ermelinda De Felice , Giovanni Di Benedetto , Irio Fantini , Dario Michaelis , Renato Pinciroli
- Runtime: 92 min
- Awards: N/A
- AKA: Así de dulce, así de maravillosa (Spain) , Tan dulce... tan perversa (Argentina) , Hundjevelen (Norway) , So Sweet... So Perverse (United States of America) , Такая нежная... такая развратная , Kiss me, Kill me! (Germany) , Møde i skrækkens hus (Denmark) , Kauhun hetket (Finland) , Tão Doce Quanto Perversa (Brazil) , Così dolce... così perversa (Italy) , Çok tatlı, çok ahlaksız (Turkey) , Si douces, si perverses (France, French Republic) , Möte i skräckens hus (Sweden) , Così dolce... così perversa , So Sweet... So Perverse , So Sweet... So Perverse (Canada) , So Sweet... So Perverse (United Kingdom) , To doloma tis amartias (Greece)
- Plot: Jean, a rich Parisian socialite, comes to the aid of a frightened young woman (Nicole) who is under the domineering control of her abusive boyfriend, Klaus. Although married, Jean develops a romantic relationship with Nicole. However, he may have gotten himself involved in more than he bargained for.
- IMDB:tt0064186
So Sweet… So Perverse Cast · · · ALL
Umberto Lenzi
Director
Carroll Baker
Nicole Perrier
Jean-Louis Trintignant
Jean Reynaud
Erika Blanc
Danielle Reynaud
Horst Frank
Klaus
Helga Liné
Helene Valmont
Ermelinda De Felice
Hotel Proprietor
Giovanni Di Benedetto
Monsieur Valmont
Irio Fantini
Party Guest
Dario Michaelis
Police Commissioner
Renato Pinciroli
Porter
Gianni Pulone
Press Photographer
Lucio Rama
Party Guest
Paola Scalzi
Helene's Friend
Luigi Sportelli
Party Guest
Beryl Cunningham
Black Stripper
Marcello Bonini Olas
Party Guest (uncredited)