 Gregory PeckJoe Bradley | Joe Bradley |
 Audrey HepburnPrincess Ann | Princess Ann |
 Eddie AlbertIrving Radovich | Irving Radovich |
 Hartley PowerMr. Hennessy | Mr. Hennessy |
 Harcourt WilliamsAmbassador | Ambassador |
 Margaret RawlingsCountess Vereberg | Countess Vereberg |
 Tullio CarminatiGeneral Provno | General Provno |
 Paolo CarliniMario Delani | Mario Delani |
 Claudio ErmelliGiovanni | Giovanni |
 Paola BorboniCharwoman | Charwoman |
 Alfredo RizzoCab Driver | Cab Driver |
 Laura SolariHennessy's Secretary | Hennessy's Secretary |
 Gorella GoriShoe Seller | Shoe Seller |
 Armando AnnualeAdmiral Dancing with Princess (uncredited) | Admiral Dancing with Princess (uncredited) |
 Maurizio ArenaYoung Boy with Car (uncredited) | Young Boy with Car (uncredited) |
 Gildo BocciFlower Seller (uncredited) | Flower Seller (uncredited) |
| AAndrea EsterhazyEmbassy Aide (uncredited) | Embassy Aide (uncredited) |
 George HigginsCorrespondent at Poker Game (uncredited) | Correspondent at Poker Game (uncredited) |
 Richard McNamaraCorrespondent at Poker Game (uncredited) | Correspondent at Poker Game (uncredited) |
 Luigi MonetaOld Man Dancing with Princess (uncredited) | Old Man Dancing with Princess (uncredited) |
| PPiero PastoreFaceless Man on Barge (uncredited) | Faceless Man on Barge (uncredited) |
 Mimmo PoliWorker Hugging at Police Station (uncredited) | Worker Hugging at Police Station (uncredited) |
 Giuliano RaffaelliFaceless Man on Barge (uncredited) | Faceless Man on Barge (uncredited) |
| CCarlo RizzoPolice Official (uncredited) | Police Official (uncredited) |
 Gianna SegaleGirl Waving at Irving (uncredited) | Girl Waving at Irving (uncredited) |
| DDianora VeigaGirl Waving at Irving (uncredited) | Girl Waving at Irving (uncredited) |
 Marco TulliPallid Young Man Dancing with Princess (uncredited) | Pallid Young Man Dancing with Princess (uncredited) |
 Tania WeberFrancesca (uncredited) | Francesca (uncredited) |
| CCatherine WylerSchoolgirl (uncredited) | Schoolgirl (uncredited) |
 Nadia BalabineWoman of Importance Watching Parade (uncredited) | Woman of Importance Watching Parade (uncredited) |
