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Jean-Pierre Aumont as Le précepteur Raoul Vignerte |
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Silvana Pampanini as La grande-duchesse Aurore de Lautenburg |
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Renée Faure as Mélusine de Graffendried |
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Louis Seigner as Le professeur Cyrus Beck |
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Roldano Lupi as Le grand-duc Frédéric de Lautenburg |
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René Sauvaire as Le capitaine Hagen |
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Richard Flagey as |
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Jean-Michel Rankovitch as Un jeune prince |
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Philippe Richard as Otto |
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Albert Duvaleix as Kessel |
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Charles Bayard as |
| Directing | Solange Térac | Director |
| Writing | Solange Térac | Writer |
| Writing | Pierre Benoît | Novel |
| Production | Jean-Pierre Frogerais | Producer |
| Sound | Marius Constant | Music |
| Camera | Pierre Petit | Director of Photography |
| Editing | Andrée Feix | Editor |
| Art | Robert Dumesnil | Production Design |
| Costume & Make-Up | Rita Bayance | Costume Design |
| Costume & Make-Up | Georges K. Benda | Costume Design |
| Costume & Make-Up | Georges Bouban | Makeup Artist |
| Production | Emile Darbel | Production Manager |
| Sound | Robert Teisseire | Sound Engineer |
| Camera | Léo Mirkine | Still Photographer |
| Camera | Albert Viguier | Camera Operator |
