Jean-Louis Trintignant

Character: Marcello Clerici

Stefania Sandrelli

Character: Giulia

Gastone Moschin

Character: Manganiello

Dominique Sanda

Character: Anna Quadri

Enzo Tarascio

Character: Professor Quadri

Fosco Giachetti

Character: The Colonel

José Quaglio

Character: Italo Montanari

Yvonne Sanson

Character: Giulia's Mother

Milly

Character: Marcello's Mother

Antonio Maestri

Character: Confessor

Alessandro Haber

Character: Drunk Blind Man

Luciano Rossi

Character: Blind Blond

Massimo Sarchielli

Character: Blind Man

Pierangelo Civera

Character: Franz

Giuseppe Addobbati

Character: Marcello's Father

Christian Aligny

Character: Raoul

Carlo Gaddi

Character: Hired Killer

Umberto Silvestri

Character: Hired Killer

Furio Pellerani

Character: Hired Killer

Luigi Antonio Guerra

Character:

Orso Maria Guerrini

Character:

Pasquale Fortunato

Character: Young Marcello

Pierre Clémenti

Character: Pasqualino 'Lino' Semirama

Sergio Graziani

Character: Marcello Clerici (voice)

Rita Savagnone

Character: Anna (voice)

Arturo Dominici

Character: The Colonel (voice)

Giuseppe Rinaldi

Character: Italo (voice)

Lydia Simoneschi

Character: Giulia's Mother (voice)

Gianni Amico

Character: Pupil Prof. Quadri (uncredited)

Joel Barcellos

Character: Pupil Prof. Quadri (uncredited)

Christian Belaygue

Character: Gipsy (uncredited)

Benedetto Benedetti

Character: Minister (uncredited)

Claudio Cappeli

Character: Hired Killer (uncredited)

Romano Costa

Character: Man Opening the Door (uncredited)

Marilyn Goldin

Character: Flower Seller (uncredited)

Marta Lado

Character: Marcello's Daughter (uncredited)

Giorgio Pelloni

Character: Pupil Prof. Quadri (uncredited)

Filippo Perego

Character: Man in Elevator (uncredited)

Gino Vagniluca

Character: Secretary (uncredited)