"The German philosopher Friedrich Nietzsche and his Jewish companion Paul Ree meet a beautiful young Russian intellectual and draw her into a ménage-à-trois."
Dominique Sanda
as Lou Andreas Salomé
Erland Josephson
as Friedrich Nietzsche
Virna Lisi
as Elizabeth Nietzsche
Robert Powell
as Paul Rée
Michael Degen
as Karl Andreas
Elisa Cegani
as Franziska Nietzsche
Umberto Orsini
as Bernard Foester
Carmen Scarpitta
as Malvida
Nicoletta Machiavelli
as Amanda
Amadeo Amodio
as Dr. Dulcamara
Mircha Carven
as Wolfgang
Philippe Leroy
as Peter Gast
Catharina Dahlin
as Prostitute
Elisabeth Wiener
as Greta
Anita Höfer
as Prostitute at Station
Clara Algranti
as Teresa
Robert José Pomper
as Young Venetian Gondolier/Christ
Renato Scarpa
as Psychiatrist
Francesca Muzio
as Maria
Heinz Kreuger
as University Rector
Vinicio Diamanti
as
Hélène Beaucour
as Madam at Colonia Bordello (uncredited)
Lars Bloch
as German Friend (uncredited)
Ritza Brown
as Young Sicilian Prostitute (uncredited)
Guido Cerniglia
as Guest in Malvida's House (uncredited)
Carlo Colombo
as Bonnet (uncredited)
Clara Colosimo
as Trude (uncredited)
Geoffrey Copleston
as Guest in Malvida House (uncredited)
Elvira Cortese
as Maid (uncredited)
as Prostitute (uncredited)
Patrizia Dordi
as Professor Staudenmayer's Singer (uncredited)
Jean Dudan
as Professor Staudenmayer (uncredited)
Enzo Fabbri
as Sick Man in Ambulance (uncredited)
Marina Hedman
Piero Morgia
as Young Man in Pub (uncredited)
Julia Sebastian
as Aunt Augusta (uncredited)
Dieter Stengel
as Left-Wing Militant (uncredited)
Marcella Theodoli
as Brothel Madame (uncredited)
Franco Arcalli
Editor
Screenplay
Italo Moscati
Liliana Cavani
Director
Daniele Paris
Music
Robert Gordon Edwards
Producer
Armando Nannuzzi
Director of Photography
Piero Tosi
Costume Designer
Story
Silvio Clementelli
Executive Producer
Fiorenzo Cattaneo
Production Design
Lorenzo Mongiardino
Osvaldo Desideri
Set Decoration
Gilberto Provenghi
Makeup Artist
Aldo Signoretti
Hairstylist
Albino Cocco
Assistant Director
Paola Tallarigo
Nedo Azzini
Set Designer
Fausto Ancillai
Sound Mixer
Vittorio Massi
Sound Engineer
Amelio Verona
Roberto Arcangeli
Boom Operator
Piero Fondi
Marco Cristiani
Assistant Camera
Nino Cristiani
Camera Operator
Giulio Diamanti
Key Grip
Daniele Nannuzzi
Choreographer