Cast
Audrey Hepburn
Princess Ann
Gregory Peck
Joe Bradley
Eddie Albert
Irving Radovich
Hartley Power
Mr. Hennessy
Harcourt Williams
Ambassador
Margaret Rawlings
Countess Vereberg
Tullio Carminati
Gen. Provno
Paolo Carlini
Mario Delani
Claudio Ermelli
Giovanni
Paola Borboni
Charwoman
Alfredo Rizzo
Cab driver
Laura Solari
Hennessy's Secretary
Gorella Gori
Shoe Seller
Maurizio Arena
Young Boy with Car (uncredited)
Gildo Bocci
Flower Seller (uncredited)
George Higgins
Correspondent at Poker Game (uncredited)
Richard McNamara
Correspondent at Poker Game (uncredited)
Luigi Moneta
Old Man Dancing with Princess (uncredited)
Mimmo Poli
Worker Hugging the Three Out Side Police Station (uncredited)
Giuliano Raffaelli
Faceless Man on the Barge (uncredited)
Gianna Segale
Girl at Cafe Waving at Irving (uncredited)
Marco Tulli
Pallid Young Man Dancing with Princess (uncredited)
Tania Weber
Francesca - Irving's Model (uncredited)
Nadia Balabine
Woman of Importance Watching the Military Parade (uncredited)
Silvio Bagolini
Undetermined Role (uncredited)
Vittoria Crispo
Undetermined Role (uncredited)
Rio Nobile
Embassy Officer at Press Conference (uncredited)
Amedeo Trilli
Undetermined Role (uncredited)
Crew
William Wyler
Director
Ian McLellan Hunter
Screenplay
William Wyler
Producer
Georges Auric
Original Music Composer
Henri Alekan
Director of Photography
Edith Head
Costume Design
Bernard Vorhaus
Assistant Director
Enzo Barboni
Camera Operator
Dalton Trumbo
Screenplay
Dalton Trumbo
Story
Wally Westmore
Makeup Supervisor
Robert Wyler
Associate Producer
Ian McLellan Hunter
Story
Victor Young
Additional Music
Ennio Flaiano
Script Editor
Suso Cecchi d'Amico
Script Editor