Marcello Mastroianni
Guido Anselmi
Barbara Steele
Gloria Morin
Madeleine Lebeau
Madeleine, the French Actress
Caterina Boratto
Mysterious Lady
Guido Alberti
Pace, the Producer
Mario Conocchia
Conocchia, the Production Manager
Bruno Agostini
Bruno, the Second Production Secretary
Cesarino Miceli Picardi
Cesarino, the Production Supervisor
Jean Rougeul
Carini, the Film Critic
Mario Pisu
Mario Mezzabotta
Yvonne Casadei
Jacqueline Bonbon
Ian Dallas
Maurice, Maya's Assistant
Nadia Sanders
Nadine, the Hostess
Georgia Simmons
Guido's Grandmother
Annie Gorassini
Producer's Friend
Rossella Como
Luisa's Friend
Mark Herron
Luisa's Suitor
Marisa Colomber
Guido's Aunt
Neil Robinson
The French Actress's Agent
Elisabetta Catalano
Matilde, Luisa's Sister
Eugene Walter
The American Journalist
Gilda Dahlberg
American Journalist's Wife
Mario Tarchetti
Claudia's Press Office
Mary Indovino
Maya, the Clairvoyant
Frazier Rippy
The Lay Secretary
Francesco Rigamonti
Luisa's Friend
Marco Gemini
Guido as a Child
Giuditta Rissone
Guido's Mother
Annibale Ninchi
Guido's Father
Dina De Santis
Dina (uncredited)
Eva Gioia
Eva (uncredited)
Maria Tedeschi
School Director (uncredited)
Antonio Acqua
A Man in a Car (uncredited)
Giulio Calì
A Man in the Mud (uncredited)
Franco Caracciolo
Young Priest (uncredited)
Olimpia Cavalli
Olimpia (uncredited)
Sonia Gessner
(uncredited)
Mathilda Calnan
Luisa's Friend (uncredited)
Nadia Balabine
Priest Teacher (uncredited)