When Duke is thanking Julia for her help, he pours a glass of wine for each of them. In a side shot we see him lift Julia's glass and put it down in front of her. In the next shot over Julia's shoulder, we see him make the exact same movement as he says her name.
When Audrey and Nathan approach the Chief on the beach, the viewpoint is from behind the Chief. Sitting beside him on a rock is a revolver, and his right arm is resting on his knee. When the camera angle changes to in front of the Chief, now the revolver is in the Chief's right hand, with his arm moved off of his knee.