When Mrs. Harrison arrives at the hotel on her smoking scooter, the same tall, thin enlisted sailor passes by twice, walking in the same direction.
When Bills sees his wife in the rear view mirror of the truck, the numbers on the car's front license plate are not reversed as they should be.
After Bill falls while being pulled around by the large dog, the wheels in the bottom of his shoes are visible. In the next shot, the wheels are gone and the soles of his shoes are solid.