The Conformist

Marcello Clerici

Jean-Louis Trintignant

Giulia

Stefania Sandrelli

Manganiello

Gastone Moschin

Anna Quadri

Dominique Sanda

Professor Quadri

Enzo Tarascio

The Colonel

Fosco Giachetti

Italo Montanari

José Quaglio

Giulia's Mother

Yvonne Sanson

Marcello's Mother

Milly

Confessor

Antonio Maestri

Drunk Blind Man

Alessandro Haber

Blind Blond

Luciano Rossi

Blind Man

Massimo Sarchielli

Franz

Pierangelo Civera

Marcello's Father

Giuseppe Addobbati

Raoul

Christian Aligny

Hired Killer

Carlo Gaddi

Hired Killer

Umberto Silvestri

Hired Killer

Furio Pellerani

Luigi Antonio Guerra

Orso Maria Guerrini

Young Marcello

Pasquale Fortunato

Pasqualino 'Lino' Semirama

Pierre Clémenti

Marcello Clerici (voice)

Sergio Graziani

Anna (voice)

Rita Savagnone

The Colonel (voice)

Arturo Dominici

Italo (voice)

Giuseppe Rinaldi

Giulia's Mother (voice)

Lydia Simoneschi

Pupil Prof. Quadri (uncredited)

Gianni Amico

Pupil Prof. Quadri (uncredited)

Joel Barcellos

Gipsy (uncredited)

Christian Belaygue

Minister (uncredited)

Benedetto Benedetti

Hired Killer (uncredited)

Claudio Cappeli

Man Opening the Door (uncredited)

Romano Costa

Flower Seller (uncredited)

Marilyn Goldin

Marcello's Daughter (uncredited)

Marta Lado

Pupil Prof. Quadri (uncredited)

Giorgio Pelloni

Man in Elevator (uncredited)

Filippo Perego

Secretary (uncredited)

Gino Vagniluca