Other mistake: In the scene where the Chief smothers McMurphy, when the Chief pulls the pillow away from McMurphy's face, you can see McMurphy's tongue moving up and down even though he is supposed to be dead. (02:03:45)
Other mistake: Sal says he never was in an airplane. So, how did he get to Vietnam?
Other mistake: In the early scene where the submarine has surfaced, titanosaurus emerges from the water and seems to be standing on the ocean floor. Just a few minutes earlier, the sub was at a depth of 250 meters, ergo the dino has to be walking on water.
Other mistake: Peter Chang is billed in the opening credits as the one and only Fighting Instructors, plural.
Other mistake: Bronson arrives in town hitching a ride in a boxcar. He hops off and begins walking along a different track. In the next shot, you can see in the background the same freight train he left, already moving in the opposite direction. (00:02:10)