Marcello Mastroianni character Marcello Rubini
Anita Ekberg character Sylvia
Anouk Aimée character Maddalena
Yvonne Furneaux character Emma
Magali Noël character Fanny
Alain Cuny character Steiner
Annibale Ninchi character Marcello's father
Walter Santesso character Paparazzo
Valeria Ciangottini character Paola
Riccardo Garrone character Riccardo
Ida Galli character Debutante of the year (as Evelyn Stewart)
Audrey McDonald character Jane
Polidor character Pagliaccio
Alain Dijon character Frankie Stout
Mino Doro character Lover of Nadia
Giulio Girola character Police commissioner
Laura Betti character Laura
Nico character Nico / Self (as Nico Otzak)
Carlo Musto character Transvestite
Enzo Cerusico character Photographer
Giulio Paradisi character Photographer
Enzo Doria character Photographer
Enrico Glori character Admirer of Nadia
Adriana Moneta character Ninni
Massimo Busetti character Miracle child
Lex Barker character Robert - Sylvia's husband
Jacques Sernas character The star
Nadia Gray character Nadia
Giuseppe Addobbati character (uncredited)
Conte Brunoro Serego Aligheri character Young Man with Mink Coat (uncredited)
Gabriella Andreini character Woman at Nadia's Party (uncredited)
Federika André character Tenant in Steiner's House (uncredited)
Armando Annuale character (uncredited)
Joan Antequera character Woman at Castle (uncredited)
Juan Antequero character Spanish Gentleman with Eyepatch at Castle (uncredited)
Gianni Baghino character (uncredited)
Nadia Balabine character Reporter (uncredited)
Ignazio Balsamo character (uncredited)
Remo Benedetti character (uncredited)
Andrea Bianchi character Man at Nadia's Party (uncredited)
Lars Bloch character Party Guest (uncredited)
Leonardo Botta character Doctor (uncredited)
Ida Bracci Dorati character (uncredited)
Ferdinando Brofferio character Maddalena's Lover (uncredited)
Giovanna Busetti character Lying Child of The Miracle (uncredited)
Tito Buzzo character Muscle Man (uncredited)
Daniela Calvino character Daniela (uncredited)
Tony Campanino character Man at Nightclub (uncredited)
Fabrizio Capucci character Photographer at Press Conference (uncredited)
Donato Castellaneta character Reporter (uncredited)
Adriano Celentano character Self (uncredited)
Elisabetta Cini character Sleeping Duchess (uncredited)
Giulio Citti character Man at Nightclub (uncredited)
Leo Coleman character Negro Dancer (uncredited)
Nani Colombo character Woman at the Mirror (uncredited)
Mario Conocchia character Lawyer with Nadia's Bra (uncredited)
Francesco Consalvo character Scalise's Assistant (uncredited)
Tiziano Cortini character Movie News Cameraman (uncredited)
Decimo Cristiani character Young Man That Doesn't Talk (uncredited)
Mario De Grenet character Man at Castle That Dislikes Dog's Smell (uncredited)
Andrea De Pino character (uncredited)
Adele De Rossi character (uncredited)
Donatella Della Nora character Reporter (uncredited)
Christine Denise character Woman Eating a Chicken (uncredited)
Katherine Denise character (uncredited)
Carlo Di Maggio character Toto Scalise (uncredited)
François Dieudonné character Reporter (uncredited)
Venceslao Dobrzensky character Giovanni (uncredited)
Donatella Esparmer character Lady with the Irritated Man (uncredited)
Paolo Fadda character Assistant Police Inspector (uncredited)
Umberto Felici character Reporter (uncredited)
Oretta Fiume character Lisa (uncredited)
Rina Franchetti character Mother of the Miracle Children (uncredited)
Giacomo Gabrielli character Maddalena's Father (uncredited)
Franco Giacobini character Journalist at the Telephone (uncredited)
Angela Giavalisco character Woman at Airport (uncredited)
Romolo Giordani character Man at Castle (uncredited)
Christine Graefeck character (uncredited)
Lily Granado character Lucy (uncredited)
Libero Grandi character (uncredited)
Maurizio Guelfi character Reporter (uncredited)
Gloria Hendy character Woman in Via Veneto (uncredited)
April Hennessy character Woman in Via Veneto (uncredited)
Nina Hohenlohe character Woman at Castle (uncredited)
Antonio Jacono character Transvestite (uncredited)
Gloria Jones character Gloria (uncredited)
Carlo Kechler character Man with Clock (uncredited)
Else Knorr character (uncredited)
Paolo Labia character Servant in Maddalena's Household (uncredited)
John Francis Lane character Reporter (uncredited)
Sondra Lee character Ballerina in Spoleto (uncredited)
Marianne Leibl character Yvonne's Companion in Miracle Sequence (uncredited)
Guglielmo Leoncini character Scalise's Secretary (uncredited)
Giuliana Lojodice character Servant at Steiner's House (uncredited)
Renée Longarini character Miss Steiner (uncredited)
Francisco Lori character Man in Miracle Sequence (uncredited)
Francesco Luzi character Radioreporter (uncredited)
Mario Mallarno character Reporter (uncredited)
Renato Mambor character A Tall Young Man (uncredited)
Vittorio Manfrino character Tabarin Director (uncredited)
Maria Marigliano character Massamilla (uncredited)
Carlo Mariotti character Male Nurse (uncredited)
Gino Marturano character Pimp (uncredited)
Maria Mazzanti character Woman at Airport (uncredited)
Harriet Medin character Sylvia's Secretary (uncredited)
Marta Melocco character (uncredited)
Nello Meniconi character Man on Via Veneto (uncredited)
Alex Messoyedoff character Priest at the Miracle Site (uncredited)
Gianfranco Mingozzi character Priest That Lets Steiner Play Organ (uncredited)
Lucia Modigliani character (uncredited)
Maite Morand character Reporter (uncredited)
Aurelio Nardi character Uncle of Lying Children of The Miracle (uncredited)
Desmond O'Grady character Steiner's Guest (uncredited)
Liana Orfei character (uncredited)
Umberto Orsini character Man in Sunglasses That Helps Nadia Strip (uncredited)
Contessa Cristina Paolozzi character Laughing Girl at Seance (uncredited)
Ada Passari character Woman in Miracle Sequence (uncredited)
Franca Pasut character Girl Covered with Feathers (uncredited)
Loretta Pepi character (uncredited)
Paola Petrini character (uncredited)
Cesarino Miceli Picardi character Irate Man in Nightclub (uncredited)
Princess Doris Pignatelli character Lady in White Coat at Castle (uncredited)
Alberto Plebani character Doctor (uncredited)
Oliviero Prunas character Oliviero - Son of Prince (uncredited)
Giovanni Querrel character Man at Nightclub (uncredited)
Giulio Questi character Don Giulio (uncredited)
Concetta Ragusa character Reporter (uncredited)
Loretta Ramaciotti character Woman in Seance (uncredited)
Leonida Repaci character Steiner's Guest (uncredited)
Alfredo Rizzo character Television Director (uncredited)
Rosemary Rennel Rodd character English Medium (uncredited)
Giancarlo Romani character Policeman (uncredited)
Franco Rossellini character The Beautiful Horseman (uncredited)
Prince Eugenio Ruspoli di Poggio Suasa character Don Eugenio Mascalchi (uncredited)
Margherita Russo character Steiner's Guest (uncredited)
Anna Maria Salerno character Prostitute's Friend (uncredited)
Anna Salvatore character Steiner's Guest (uncredited)
Archie Savage character Negro Dancer (uncredited)
Lisa Schneider character Woman in Miracle Sequence (uncredited)
Maria Pia Serafini character Second Lady with the Irritated Man (uncredited)
Noel Sheldon character Man in Via Veneto (uncredited)
Isabella Soldani character (uncredited)
Letizia Spadini character Steiner's Guest (uncredited)
Giò Stajano character Pierone (uncredited)
Gino Talamo character (uncredited)
Sandra Tesi character Young Girl Living Nearby (uncredited)
Henry Thody character Reporter (uncredited)
Tomás Torres character Gianelli (uncredited)
Iris Tree character Poetess at Steiner's Party (uncredited)
Vando Tress character Police Inspector (uncredited)
Gondrano Trucchi character Servant at Caracalla's (uncredited)
Teresa Tsao character Woman in Nightclub (uncredited)
Winie Vagliani character The Lady Who sings at Steiner's (uncredited)
Leontine Van Strein character Matinee Idol's Girl Friend (uncredited)
Aldo Vasco character Man in Miracle Sequence (uncredited)
Lucia Vasilicò character Young Woman Making Confession at Nadia's Party (uncredited)
Maria Teresa Vianello character Woman at Airport (uncredited)
Sandy von Normand character Interpreter at the Press Conference (uncredited)
Antoinette Weynen character (uncredited)
Angela Wilson character Woman in Via Veneto (uncredited)
Vadim Wolkonsky character Prince Mascalchi (uncredited)
Maria Teresa Wolodimeroff character The Bored Lady (uncredited)
Gianni Zamputo character Man at Nadia's Party (uncredited)
Italo Zingarelli character Don Giulio (uncredited)