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