When Anne is at the theatre and standing in the middle of the stage, the orientation of how she holds her parasol changes from the long shot to the medium shot.
During the fight with Albert, the left side of Franz's vest and shirt gets soiled with blood and sawdust. However, at the end of the fight, the vest and shirt are now clean.
At one point when Franz and Albert are fighting, Franz throws a punch that obviously misses but Albert reacts as if the punch connected.