Forced by her lover to sell her body, Renata is saved from a suicide attempt by Paolo Martelli, an engineer. She asks him to help her find a job. When Paolo's wife humiliates her, Renata gains revenge by seducing the woman's husband.

Alida Valli
Renata Giustini

Amedeo Nazzari
Paolo Martelli

Serge Reggiani
André

Claude Nollier
Maria Martelli

Franco Interlenghi
Franco

Laura Solari
Mrs. Balestra

Bianca Doria
Renata's mother
Duilio D'Amore
padre di Renata
Mariliana Delli
(uncredited)

Rosetta Pasquini
Rosetta

Mariemma Bardi
assistente della sfilata di moda

Liliana Bonfatti
Nina Swanson

Pasquale Martino
(uncredited)
Arnaldo Piacenti
(uncredited)
Norma Meneghini
(uncredited)