The End of Old Times 1990 one on netflix

Czechoslovakia 1918. The newly formed National Assembly has made Stoklasa the administrator of the Kratochvile Castle. Although with no aristocratic background, he is a man of fortune and is trying to buy the castle. To impress his neighbors and the local politicians he invites them to a great hunting party. Uninvited comes a man who claims to be Duke Alexej. Stoklasa believes him to be a hustler. This hustler, however, manages to charm all the women before he leaves.