Complex sentence: His last notable film role was as Professor Bartnev in "The Inner Circle" (1991), a true story about Soviet Russia under the dictatorship of Joseph Stalin; however, none of these films have achieved the glory for him that "Moonstruck" did.
Split into simpler sentences: His last notable film role was as Professor Bartnev in "The Inner Circle" (1991), a true story about Soviet Russia under the dictatorship of Joseph Stalin. However, none of Chaliapin's other films have achieved the glory for him that "Moonstruck" did.