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

Armando Annuale

Admiral Dancing with Princess (uncredited)

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)