While everyone is at the supper, Henrik collapses on the table. Anna puts her hand on his right shoulder but after a cutaway to Fredrik's face, her hand is now on the left shoulder. She is also much closer to the table, and Fredrik is looking the wrong way.
When Egerman looks in the mirror at Desiree's, his nightcap is bent forwards over his face. In the next shots after he has moved away from the mirror, the nightcap is now bent towards his right shoulder.
The goof item below may give away important plot points.
Egerman is wearing his frockcoat when playing Russian roulette. But when Desiree goes into the summerhouse to see him, he is jacketless and the soot is over his face and the shoulder and sleeve of his shirt.