| 角色 | 饰演者介绍 |
| 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 |
