Jean-Louis Trintignant ( Jean-Louis Trintignant )

Marcello Clerici

Stefania Sandrelli ( Stefania Sandrelli )

Giulia

Gastone Moschin ( Gastone Moschin )

Manganiello

Dominique Sanda ( Dominique Sanda )

Anna Quadri

Enzo Tarascio ( Enzo Tarascio )

Professor Quadri

Fosco Giachetti ( Fosco Giachetti )

The Colonel

José Quaglio ( José Quaglio )

Italo Montanari

Yvonne Sanson ( Yvonne Sanson )

Giulia's Mother

Milly ( Milly )

Marcello's Mother

Antonio Maestri ( Antonio Maestri )

Confessor

Alessandro Haber ( Alessandro Haber )

Drunk Blind Man

Luciano Rossi ( Luciano Rossi )

Blind Blond

Massimo Sarchielli ( Massimo Sarchielli )

Blind Man

Pierangelo Civera ( Pierangelo Civera )

Franz

Giuseppe Addobbati ( Giuseppe Addobbati )

Marcello's Father

Christian Aligny ( Christian Aligny )

Raoul

Carlo Gaddi ( Carlo Gaddi )

Hired Killer

Umberto Silvestri ( Umberto Silvestri )

Hired Killer

Furio Pellerani ( Furio Pellerani )

Hired Killer

Luigi Antonio Guerra ( Luigi Antonio Guerra )

Orso Maria Guerrini ( Orso Maria Guerrini )

Pasquale Fortunato ( Pasquale Fortunato )

Young Marcello

Pierre Clémenti ( Pierre Clémenti )

Pasqualino 'Lino' Semirama

Sergio Graziani ( Sergio Graziani )

Marcello Clerici (voice)

Rita Savagnone ( Rita Savagnone )

Anna (voice)

Arturo Dominici ( Arturo Dominici )

The Colonel (voice)

Giuseppe Rinaldi ( Giuseppe Rinaldi )

Italo (voice)

Lydia Simoneschi ( Lydia Simoneschi )

Giulia's Mother (voice)

Gianni Amico ( Gianni Amico )

Pupil Prof. Quadri (uncredited)

Joel Barcellos ( Joel Barcellos )

Pupil Prof. Quadri (uncredited)

Christian Belaygue ( Christian Belaygue )

Gipsy (uncredited)

Benedetto Benedetti ( Benedetto Benedetti )

Minister (uncredited)

Claudio Cappeli ( Claudio Cappeli )

Hired Killer (uncredited)

Romano Costa ( Romano Costa )

Man Opening the Door (uncredited)

Marilyn Goldin ( Marilyn Goldin )

Flower Seller (uncredited)

Marta Lado ( Marta Lado )

Marcello's Daughter (uncredited)

Giorgio Pelloni ( Giorgio Pelloni )

Pupil Prof. Quadri (uncredited)

Filippo Perego ( Filippo Perego )

Man in Elevator (uncredited)

Gino Vagniluca ( Gino Vagniluca )

Secretary (uncredited)