When eavesdropping on Colonel MacDonald's plan, Shizuko accidentally turns on the shower and makes her white dress wet. But the dress is completely dry when one of Colonel MacDonald's thug gets in to Shizuko's room.
When the person with the cards is standing in a corridor at one point in the movie, his sleeve is torn and bloody for one shot. But then, for one shot, his sleeve is not torn, and there is no blood. A few seconds later, it is torn and bloody again.