Roman Holiday

Gregory Peck

Joe Bradley

Audrey Hepburn

Princess Ann

Eddie Albert

Irving Radovich

Hartley Power

Mr. Hennessy

Harcourt Williams

Ambassador

Margaret Rawlings

Countess Vereberg

Tullio Carminati

General 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)