 | Louis Jourdan als Le comte Mathias Sandorf |
 | Renaud Mary als Sarcany |
 | Francisco Rabal als Frédéric de Rotenbourg |
 | Serena Vergano als Elisabeth Sandorf |
 | Antoine Balpêtré als Professor Ernst Bathory |
 | Bernard Blier als Toronthal |
 | Valeria Fabrizi als Helene |
 | Antonio Casas als Zathmar |
 | Marcel Pérès |
 | Jacques Seiler |
 | Xan das Bolas als Carpena |
 | Paula Martel |
 | Carlos Mendy als Ferrato |
| Mario Morales |
 | Daniel Cauchy als Pescade |
 | Carl Studer als Matifou |
 | Claudio Gora als Procureur |
 | Michel Etcheverry |
 | Henri Crémieux als Le président (uncredited) |
 | Paul Mercey als (uncredited) |
| Georges Lampin | Director |
| Jules Verne | Novel |
| Gérard Carlier | Adaptation |
| Georges Lampin | Adaptation |
| Juan Marxe | Writer |
| Charles Spaak | Dialogue |
| Francisco Molero | Delegated Producer |
| Agustín Molinuevo | Delegated Producer |
| Joe Hajos | Music |
| Cecilio Paniagua | Director of Photography |
| Henri Taverna | Editor |
| Maurice Colasson | Art Direction |
| Françoise Tournafond | Costume Design |
| Marcel Bordenave | Makeup Artist |
| Adrián Jaramillo | Makeup Artist |
| Philippe Modave | Production Manager |
| Jean-Roch Rognoni | Unit Manager |
| Roberto Bodegas | Assistant Director |
| Jean Lefèvre | Assistant Director |
| René Albouze | Property Master |
| Jean Forestier | Assistant Art Director |
| Roger Joint | Set Dresser |
| Georges Richard | Assistant Art Director |
| Henri Seuret | Set Dresser |
| Raymond Gauguier | Sound Engineer |
| Jorge Gil | Sound Assistant |
| Claude Orhoa | Sound Assistant |
| Raymond Boudeau | Electrician |
| Enrique de la Jara | Electrician |
| Daniel Diot | Camera Operator |
| Bernard Grasberg | Assistant Camera |
| Bernard Noisette | Assistant Camera |
| Louis Stein | Camera Operator |
| Ra del Rey | Costumer |
| Renée Deschamps | Assistant Editor |
| Georges Derveaux | Conductor |
| Joe Hajos | Conductor |
| Lucette Labataille | Production Secretary |
| Blanche Wiesenfeld | Production Secretary |
