At the end of the Vanishing Point, Teddy shoots himself in the head and the shot shows blood spraying out of the side of his head opposite the pistol indicating the bullet went completely through. In The Passenger we see a shot of Delores removing a bullet that flattened itself against Teddy's central housing containing his core sphere that she has just removed from his head. If the bullet caused an exit wound it could not have flattened itself against the housing.
In the extreme wide shot of hundreds of hosts walking horizontally across the screen to the Valley Beyond it's quite easy to spot the same groupings of hosts duplicated at least twice if not three times in the long line.