Desc: Herkus Mantas: Directed by Marijonas Giedrys. With Antanas Surna, Eugenija Pleskyte, Algimantas Masiulis, Stasis Petronaitis. Historical costume drama about the medieval wars of Old Prussians and Teutonic Crusaders. Hercus Monte (Latin: Henricus Montemin, German: Heinrich Monte, Lithuanian: Herkus Mantas) was the most famous leader of the Old Prussians during the Northern Crusades. This film is based on his biography.