| 角色 | 饰演者 | 角色介绍 |
| Andrew J. Hughes (U.S. Special-Envoy to Monaco) | Rudolph Christians | |
| Helen Hughes his wife | Miss DuPont | |
| Her Highness Olga Petchnikoff | Maude George | |
| Princess Vera Petchnikoff | 梅·巴斯奇 | |
| Their Cousin Count Wladislaw Sergius Karamzin (Capt. 3rd Hussars Imper. Russian Army) | 埃里克·冯·施特罗海姆 | |
| Maruschka a Maid | Dale Fuller | |
| Pavel Pavlich a Butler | Al Edmundsen | |
| Cesare Ventucci a Counterfeiter | Cesare Gravina | |
| Marietta his half-witted daughter (as Malvine Polo) | Malvina Polo | |
| Albert 1. Prince of Monaco | C.J. Allen | |
| Monk (uncredited) | Nigel De Brulier | |
| Andrew J. Hughes (uncredited) | Robert Edeson | |
| Hag (uncredited) | Louise Emmons | |
| Rude Soldier / Armless Soldier (uncredited) | Harrison Ford | |
| Extra (uncredited) | Valerie Germonprez | |
| (uncredited) | Patsy Hannen | |
| Dr. Judd's wife (uncredited) | Mrs. Kent | |
| Actress (uncredited) | Mme. Kopetzky | |
| Crippled Girl (uncredited) | 玛丽·菲尔宾 | |
| Secretary of State of Monaco (uncredited) | Edward Reinach |
