Le précepteur Raoul Vignerte (played by Jean-Pierre Aumont) is a protagonist in Koenigsmark.
La grande-duchesse Aurore de Lautenburg (played by Silvana Pampanini) appears in Koenigsmark.
Mélusine de Graffendried (played by Renée Faure) appears in Koenigsmark.
Le professeur Cyrus Beck (played by Louis Seigner) appears in Koenigsmark.
Le grand-duc Frédéric de Lautenburg (played by Roldano Lupi) appears in Koenigsmark.
Le capitaine Hagen (played by René Sauvaire) appears in Koenigsmark.
Otto (played by Philippe Richard) appears in Koenigsmark.
Kessel (played by Albert Duvaleix) appears in Koenigsmark.