Marcello Mastroianni

as Marcello Rubini

Anita Ekberg

as Sylvia

Anouk Aimée

as Maddalena

Yvonne Furneaux

as Emma

Magali Noël

as Fanny

Alain Cuny

as Steiner

Annibale Ninchi

as Marcello's father

Walter Santesso

as Paparazzo

Valeria Ciangottini

as Paola

Riccardo Garrone

as Riccardo

Ida Galli

as Debutante of the year

Audrey McDonald

as Jane

Polidor

as Pagliaccio

Alain Dijon

as Frankie Stout

Mino Doro

as Lover of Nadia

Giulio Girola

as Police commissioner

Laura Betti

as Laura

Nico

as Nico

Domino

as

Carlo Musto

as Transvestite

Enzo Cerusico

as Photographer

Giulio Paradisi

as Photographer

Enzo Doria

as Photographer

Enrico Glori

as Admirer of Nadia

Adriana Moneta

as Ninni

Massimo Busetti

as Miracle child

Lex Barker

as Robert - Sylvia's husband

Jacques Sernas

as The star

Nadia Gray

as Nadia

Giuseppe Addobbati

as (uncredited)

Conte Brunoro Serego Aligheri

as Young Man with Mink Coat (uncredited)

Gabriella Andreini

as Woman at Nadia's Party (uncredited)

Federika André

as Tenant in Steiner's House (uncredited)

Armando Annuale

as (uncredited)

Joan Antequera

as Woman at Castle (uncredited)

Juan Antequero

as Spanish Gentleman with Eyepatch at Castle (uncredited)

Gianni Baghino

as (uncredited)

Nadia Balabine

as Reporter (uncredited)

Ignazio Balsamo

as (uncredited)

Remo Benedetti

as (uncredited)

Andrea Bianchi

as Man at Nadia's Party (uncredited)

Lars Bloch

as Party Guest (uncredited)

Leonardo Botta

as Doctor (uncredited)

Ida Bracci Dorati

as (uncredited)

Ferdinando Brofferio

as Maddalena's Lover (uncredited)

Giovanna Busetti

as Lying Child of The Miracle (uncredited)

Tito Buzzo

as Muscle Man (uncredited)

Daniela Calvino

as Daniela (uncredited)

Tony Campanino

as Man at Nightclub (uncredited)

Fabrizio Capucci

as Photographer at Press Conference (uncredited)

Donato Castellaneta

as Reporter (uncredited)

Adriano Celentano

as Self (uncredited)

Elisabetta Cini

as Sleeping Duchess (uncredited)

Giulio Citti

as Man at Nightclub (uncredited)

Leo Coleman

as Negro Dancer (uncredited)

Nani Colombo

as Woman at the Mirror (uncredited)

Mario Conocchia

as Lawyer with Nadia's Bra (uncredited)

Francesco Consalvo

as Scalise's Assistant (uncredited)

Tiziano Cortini

as Movie News Cameraman (uncredited)

Decimo Cristiani

as Young Man That Doesn't Talk (uncredited)

Mario De Grenet

as Man at Castle That Dislikes Dog's Smell (uncredited)

Andrea De Pino

as (uncredited)

Adele De Rossi

as (uncredited)

Donatella Della Nora

as Reporter (uncredited)

Christine Denise

as Woman Eating a Chicken (uncredited)

Katherine Denise

as (uncredited)

Carlo Di Maggio

as Toto Scalise (uncredited)

François Dieudonné

as Reporter (uncredited)

Venceslao Dobrzensky

as Giovanni (uncredited)

Donatella Esparmer

as Lady with the Irritated Man (uncredited)

Paolo Fadda

as Assistant Police Inspector (uncredited)

Umberto Felici

as Reporter (uncredited)

Oretta Fiume

as Lisa (uncredited)

Rina Franchetti

as Mother of the Miracle Children (uncredited)

Giacomo Gabrielli

as Maddalena's Father (uncredited)

Franco Giacobini

as Journalist at the Telephone (uncredited)

Angela Giavalisco

as Woman at Airport (uncredited)

Romolo Giordani

as Man at Castle (uncredited)

Christine Graefeck

as (uncredited)

Lily Granado

as Lucy (uncredited)

Libero Grandi

as (uncredited)

Maurizio Guelfi

as Reporter (uncredited)

Gloria Hendy

as Woman in Via Veneto (uncredited)

April Hennessy

as Woman in Via Veneto (uncredited)

Nina Hohenlohe

as Woman at Castle (uncredited)

Antonio Jacono

as Transvestite (uncredited)

Gloria Jones

as Gloria (uncredited)

Carlo Kechler

as Man with Clock (uncredited)

Else Knorr

as (uncredited)

Paolo Labia

as Servant in Maddalena's Household (uncredited)

John Francis Lane

as Reporter (uncredited)

Sondra Lee

as Ballerina in Spoleto (uncredited)

Marianne Leibl

as Yvonne's Companion in Miracle Sequence (uncredited)

Guglielmo Leoncini

as Scalise's Secretary (uncredited)

Giuliana Lojodice

as Servant at Steiner's House (uncredited)

Renée Longarini

as Miss Steiner (uncredited)

Francisco Lori

as Man in Miracle Sequence (uncredited)

Francesco Luzi

as Radioreporter (uncredited)

Mario Mallarno

as Reporter (uncredited)

Renato Mambor

as A Tall Young Man (uncredited)

Vittorio Manfrino

as Tabarin Director (uncredited)

Maria Marigliano

as Massamilla (uncredited)

Carlo Mariotti

as Male Nurse (uncredited)

Gino Marturano

as Pimp (uncredited)

Maria Mazzanti

as Woman at Airport (uncredited)

Harriet Medin

as Sylvia's Secretary (uncredited)

Marta Melocco

as (uncredited)

Nello Meniconi

as Man on Via Veneto (uncredited)

Alex Messoyedoff

as Priest at the Miracle Site (uncredited)

Gianfranco Mingozzi

as Priest That Lets Steiner Play Organ (uncredited)

Lucia Modigliani

as (uncredited)

Maite Morand

as Reporter (uncredited)

Aurelio Nardi

as Uncle of Lying Children of The Miracle (uncredited)

Desmond O'Grady

as Steiner's Guest (uncredited)

Liana Orfei

as (uncredited)

Umberto Orsini

as Man in Sunglasses That Helps Nadia Strip (uncredited)

Contessa Cristina Paolozzi

as Laughing Girl at Seance (uncredited)

Ada Passeri

as Woman in Miracle Sequence (uncredited)

Franca Pasut

as Girl Covered with Feathers (uncredited)

Loretta Pepi

as (uncredited)

Paola Petrini

as (uncredited)

Cesarino Miceli Picardi

as Irate Man in Nightclub (uncredited)

Princess Doris Pignatelli

as Lady in White Coat at Castle (uncredited)

Alberto Plebani

as Doctor (uncredited)

Oliviero Prunas

as Oliviero - Son of Prince (uncredited)

Giovanni Querrel

as Man at Nightclub (uncredited)

Giulio Questi

as Don Giulio (uncredited)

Concetta Ragusa

as Reporter (uncredited)

Loretta Ramaciotti

as Woman in Seance (uncredited)

Leonida Repaci

as Steiner's Guest (uncredited)

Alfredo Rizzo

as Television Director (uncredited)

Rosemary Rennel Rodd

as English Medium (uncredited)

Giancarlo Romani

as Policeman (uncredited)

Franco Rossellini

as The Beautiful Horseman (uncredited)

Prince Eugenio Ruspoli di Poggio Suasa

as Don Eugenio Mascalchi (uncredited)

Margherita Russo

as Steiner's Guest (uncredited)

Anna Maria Salerno

as Prostitute's Friend (uncredited)

Anna Salvatore

as Steiner's Guest (uncredited)

Archie Savage

as Negro Dancer (uncredited)

Lisa Schneider

as Woman in Miracle Sequence (uncredited)

Maria Pia Serafini

as Second Lady with the Irritated Man (uncredited)

Noel Sheldon

as Man in Via Veneto (uncredited)

Isabella Soldani

as (uncredited)

Letizia Spadini

as Steiner's Guest (uncredited)

Giò Stajano

as Pierone (uncredited)

Gino Talamo

as (uncredited)

Sandra Tesi

as Young Girl Living Nearby (uncredited)

Henry Thody

as Reporter (uncredited)

Tomás Torres

as Gianelli (uncredited)

Iris Tree

as Poetess at Steiner's Party (uncredited)

Vando Tress

as Police Inspector (uncredited)

Gondrano Trucchi

as Servant at Caracalla's (uncredited)

Teresa Tsao

as Woman in Nightclub (uncredited)

Winie Vagliani

as The Lady Who sings at Steiner's (uncredited)

Leontine Van Strein

as Matinee Idol's Girl Friend (uncredited)

Aldo Vasco

as Man in Miracle Sequence (uncredited)

Lucia Vasilicò

as Young Woman Making Confession at Nadia's Party (uncredited)

Maria Teresa Vianello

as Woman at Airport (uncredited)

Sandy von Normand

as Interpreter at the Press Conference (uncredited)

Antoinette Weynen

as (uncredited)

Angela Wilson

as Woman in Via Veneto (uncredited)

Vadim Wolkonsky

as Prince Mascalchi (uncredited)

Maria Teresa Wolodimeroff

as The Bored Lady (uncredited)

Gianni Zamputo

as Man at Nadia's Party (uncredited)

Italo Zingarelli

as Don Giulio (uncredited)

Iolanda Fortini

as (uncredited)

Marta Timar

as (uncredited)

Bruna Cealti

as (uncredited)

Nancy Lecchini

as Party Guest (uncredited)

Giulio Tomei

as Night Club Customer (uncredited)

Lucia Cavalieri

as Old Woman by the Miracle Tree (uncredited)

Edward Febo Kelleng

as Party Guest (uncredited)

Rio Nobile

as Nightclub Customer (uncredited)

Romalı Perihan

as