Constantine The Philosopher The story of St. Cyrilus (Constantine The Philosopher) in his quest of enlightening the Slavic people. Details Casts Posters Title Constantine The Philosopher Release Date 1983-05-24 Runtime 05 Hours 08 Minutes Genres Drama History Production Companies Unknown Production Countries Bulgaria Rousy Chanev... Konstantin-Kiril Filosof... Marin Yanev... Metodiy... Naum Shopov... ... Itzhak Finzi... ... Georgi Cherkelov... ... Velko Kanev... ... Lubomir Kabakchiyev... ... Nevena Kokanova... ... Andrey Chaprazov... ... Original Size (696x1000)