After he kidnaps the Doctor, they stop in a diner and he orders two hamburgers. He pays and leaves without them, and no one, not even the cook, says anything.
At around ten minutes, a group of doctors are looking at Kenet's skull x-rays. The x-rays are hung behind the illuminated frosted glass panels - so that we can see the x-rays, but the doctors could not. And the x-ray as we see it is oriented correctly to show a left side hematoma, but to the doctors, the x-ray is reversed meaning the hematoma would be on the right.
(around 1 hour, 11 minutes) When Dr. Ann Lorrison is in her office looking in the mirror while doing her makeup, there is a knock on the door. She says "come in" but before she knows who it is; she jumps the dialog by saying "Hello George". She did not see George nor did he say anything that would have allowed her to have known who was knocking.
At the gas station, the "rain" is clearly coming down straight (no wind) from two separate angles. In wide shots, you can see the lines of "rain" reflecting on the pavement with gaps between them.