Top cast
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)
Alessandro Tedeschi
Uomo Della Commissione (uncredited)
Directed by
Umberto Lenzi
Written by
Ernesto Gastaldi, Luciano Martino
Produced by
Mino Loy, Luciano Martino, Jacques-Paul Bertrand