 Gérard Philipele marquis Fabrice Del Dong | le marquis Fabrice Del Dong |
 Renée FaureClelia Conti | Clelia Conti |
 María Casaresla duchesse Gina de San Severina | la duchesse Gina de San Severina |
 Louis Saloule prince Ernest IV | le prince Ernest IV |
 Louis SeignerGrillo - le gardien de la Tour Farnese | Grillo - le gardien de la Tour Farnese |
 Tullio CarminatiLe comte Mosca, le premier ministre | Le comte Mosca, le premier ministre |
 Lucien CoëdelRassi, le chef de la police (as Lucien Coedel) | Rassi, le chef de la police (as Lucien Coedel) |
 Aldo SilvaniLe général Conti, gouverneur de la prison de Parme | Le général Conti, gouverneur de la prison de Parme |
 Maria MichiMarietta | Marietta |
 Claudio GoraLe marquis Crescenzi | Le marquis Crescenzi |
| MMario GallinaL'aubergiste | L'aubergiste |
 Albert RémyNot listed | Not listed |
 Nerio BernardiLa mari de Fausta (uncredited) | La mari de Fausta (uncredited) |
| RRenato ChiantoniLe soldat a la lettre anonyme (uncredited) | Le soldat a la lettre anonyme (uncredited) |
 Emilio Cigoli(uncredited) | (uncredited) |
 Attilio DottesioFerrante Palla (uncredited) | Ferrante Palla (uncredited) |
 Claudio ErmelliL'espion de Mosca (uncredited) | L'espion de Mosca (uncredited) |
 Enrico GloriGilletti, l'acteur de théâtre (uncredited) | Gilletti, l'acteur de théâtre (uncredited) |
| WWalter Grant(uncredited) | (uncredited) |
 Cosetta Greco(uncredited) | (uncredited) |
 Tina LattanziLa princesse Marie-Louise de Bourbon-Parme (uncredited) | La princesse Marie-Louise de Bourbon-Parme (uncredited) |
 Achille MajeroniL'évêque (uncredited) | L'évêque (uncredited) |
 Lina MarengoUna signora curiosa (uncredited) | Una signora curiosa (uncredited) |
| EEnzo Musumeci Greco(uncredited) | (uncredited) |
 Evelina PaoliLa grande duchesse (uncredited) | La grande duchesse (uncredited) |
 Fernand Rauzéna(uncredited) | (uncredited) |
| LLaura RediFausta (uncredited) | Fausta (uncredited) |
| DDina RomanoManamaccia (uncredited) | Manamaccia (uncredited) |
| MMichele Sakara(uncredited) | (uncredited) |
 Jone Salinas(uncredited) | (uncredited) |
