After a 1946 stay in Buenos Aires , Deutsch returned to Vienna via Paris the following year . In Vienna , he became a member of the Burgtheater . At the National Theatre Deutsch appeared in '' The Helpers of God '' , about Red Cross founder Henri Dunant , in 1948 . Three years later he moved back to Berlin , appearing at the Schiller and Schlossparktheater . Deutsch also toured in Germany and abroad . Deutsch 's film roles included Baron Kurtz in Carol Reed 's '' film noir '' , '' The Third Man '' , starring Orson Welles and Joseph Cotten . He received the Volpi Cup as Best Actor at the 9th Venice International Film Festival in 1948 Venice Film Festival for his performance in '' Der Prozeß '' . Deutsch 's performances in the title role of Gotthold Ephraim Lessing 's '' Nathan the Wise '' and as Shylock in Shakespeare 's '' The Merchant of Venice '' were critically praised . He played Nathan for more than 2,000 performances , and traveled with productions throughout Europe
9th Venice International Film Festival
9th Venice International Film Festival
Ernst Deutsch