Audrey Hepburn
Princess Ann
Eddie Albert
Irving Radovich
Hartley Power
Mr. Hennessy
Harcourt Williams
Ambassador
Margaret Rawlings
Countess Vereberg
Tullio Carminati
Gen. Provno
Paolo Carlini
Mario Delani
Laura Solari
Hennessy's Secretary
Armando Annuale
Admiral Dancing with Princess (uncredited)
Maurizio Arena
Young Boy with Car (uncredited)
Gildo Bocci
Flower Seller (uncredited)
Andrea Esterhazy
Embassy Aide (uncredited)
George Higgins
Correspondent at Poker Game (uncredited)
Richard McNamara
Correspondent at Poker Game (uncredited)
Luigi Moneta
Old Man Dancing with Princess (uncredited)
Piero Pastore
Faceless Man on the Barge (uncredited)
Mimmo Poli
Worker Hugging the Three Out Side Police Station (uncredited)
Giuliano Raffaelli
Faceless Man on the Barge (uncredited)
Carlo Rizzo
Police Official (uncredited)
Gianna Segale
Girl at Cafe Waving at Irving (uncredited)
Dianora Veiga
Girl at Cafe Waving at Irving (uncredited)
Marco Tulli
Pallid Young Man Dancing with Princess (uncredited)
Tania Weber
Francesca - Irving's Model (uncredited)
Catherine Wyler
Schoolgirl (uncredited)
Nadia Balabine
(uncredited)