Gérard Philipe character le marquis Fabrice Del Dong
Renée Faure character Clelia Conti
María Casares character la duchesse Gina de San Severina
Louis Salou character le prince Ernest IV
Louis Seigner character Grillo - le gardien de la Tour Farnese
Tullio Carminati character Le comte Mosca, le premier ministre
Lucien Coëdel character Rassi, le chef de la police (as Lucien Coedel)
Aldo Silvani character Le général Conti, gouverneur de la prison de Parme
Maria Michi character Marietta
Claudio Gora character Le marquis Crescenzi
Mario Gallina character L'aubergiste
Nerio Bernardi character La mari de Fausta (uncredited)
Renato Chiantoni character Le soldat a la lettre anonyme (uncredited)
Emilio Cigoli character (uncredited)
Attilio Dottesio character Ferrante Palla (uncredited)
Claudio Ermelli character L'espion de Mosca (uncredited)
Enrico Glori character Gilletti, l'acteur de théâtre (uncredited)
Walter Grant character (uncredited)
Cosetta Greco character (uncredited)
Tina Lattanzi character La princesse Marie-Louise de Bourbon-Parme (uncredited)
Achille Majeroni character L'évêque (uncredited)
Lina Marengo character Una signora curiosa (uncredited)
Enzo Musumeci Greco character (uncredited)
Evelina Paoli character La grande duchesse (uncredited)
Fernand Rauzéna character (uncredited)
Laura Redi character Fausta (uncredited)
Dina Romano character Manamaccia (uncredited)
Michele Sakara character (uncredited)
Jone Salinas character (uncredited)
Ermete Tamberlani character Le prêtre (uncredited)
