from imdb
Directed by
William Wyler    
 
Writing credits (WGA)
Dalton Trumbo   (story) (front Ian McLellan Hunter)
Ian McLellan Hunter   (screenplay) and
John Dighton   (screenplay)
Ian McLellan Hunter   (front for Dalton Trumbo)

 
Cast (in credits order) verified as complete
Gregory Peck .... Joe Bradley
Audrey Hepburn .... Princess Ann ('Anya Smith')
Eddie Albert .... Irving Radovich
Hartley Power .... Mr. Hennessy, editor
Harcourt Williams .... Ambassador
Margaret Rawlings .... Countess Vereberg
Tullio Carminati .... Gen. Provno
Paolo Carlini .... Mario Delani, hairdresser
Claudio Ermelli .... Giovanni, landlord
Paola Borboni .... Charwoman
Alfredo Rizzo .... Cab driver
Laura Solari .... Secretary
Gorella Gori .... Shoe seller
Heinz Hindrich .... Dr. Bonnachoven
John Horne .... Master of Ceremonies
Andrea Esterhazy .... Embassy staffer (as Count Andrea Esterhazy)
Ugo De Pascale .... Embassy staffer
Diane Lante .... Lady in Waiting
rest of cast listed alphabetically:
Armando Ambrogi .... Man on phone (uncredited)
Armando Annuale .... Dancer (uncredited)
Maurizio Arena .... Driver (uncredited)
Ugo Ballerini .... Embassy staffer (uncredited)
Bruno Baschiera .... Embassy staffer (uncredited)
Gildo Bocci .... Flower man (uncredited)
Alfred Browne .... Correspondent (uncredited)
Princess Alma Cattaneo .... Lady in Waiting (uncredited)
J. Cortes Cavanillas .... Himself (uncredited)
John Cortay .... Correspondent (uncredited)
Vittoria Crispo .... Bit part (uncredited)
Ferdinando De Aldisio .... Himself (uncredited)
Jan Dijksgraaf .... Correspondent (uncredited)
Jacques Ferrier .... Himself (uncredited)
Helen Fondra .... Countess of Marstrand (uncredited)
Giovanni Fostini .... Correspondent (uncredited)
Sytske Galema .... Himself (uncredited)
Teresa Gauthier .... Bit part (uncredited)
Sidney Gordon .... Correspondent (uncredited)
Otto Gross .... Himself (uncredited)
George Higgins .... Correspondent (uncredited)
Edward Hitchcock .... Chief of correspondents (uncredited)
Stephen House .... Himself (uncredited)
Adam Jennette .... Correspondent (uncredited)
Kurt Klinger .... Himself (uncredited)
Friedrich Lampe .... Himself (uncredited)
Princess Lilamani .... The Raikuuari (uncredited)
Mario Lucinni .... Bit part (uncredited)
Luis Marino .... Bit part (uncredited)
Richard McNamara .... Correspondent (uncredited)
Rabindranath Mitter .... The Maharajah (uncredited)
Luigi Moneta .... Dancer (uncredited)
Maurice Montabre .... Himself (uncredited)
Julio Moriones .... Himself (uncredited)
Richard Neuhaus .... Guard (uncredited)
Desiderio Nobile .... Embassy staffer (uncredited)
Giustino Olivieri .... Waiter (uncredited)
Eric Oulton .... Sir Hugo Macy de Farmington (uncredited)
Piero Pastore .... Bit part (uncredited)
Giacomo Penza .... Nuntius Altomonto (Papal representative at the ball) (uncredited)
Mimmo Poli .... Worker (uncredited)
Giuliano Raffaelli .... Bit part (uncredited)
Dominique Rika .... Bit part (uncredited)
Carlo Rizzo .... Policeman (uncredited)
Piero Scanziani .... Himself (uncredited)
Gianna Segale .... Bit part (uncredited)
Octave Senoret .... Bit part (uncredited)
Alcide Tico .... Bit part (uncredited)
Marco Tulli .... Stiff dancer at the ball (uncredited)
Patricia Varner .... Teacher (uncredited)
Dianora Veiga .... Bit part (uncredited)
Cesare Viori .... Prince Istvan Barossy Nagyavaros (uncredited)
Tania Weber .... Francesca (Irving's model) (uncredited)
Hank Werbe .... Correspondent (uncredited)
Catherine Wyler .... Schoolgirl (uncredited)
Judy Wyler .... Schoolgirl (uncredited)