The action takes place in and near Santa Mira CA, a fictional town in many films including "Invasion of the Body Snatchers (1956)" as well as the movie/TV series "Airwolf".
At 45:36 Doctor Renault says "... this particular specimen was selected for its size and strength." Instead of "its (belonging to it)" the English caption incorrectly has "it's (contraction meaning "it is)".
At 1:15:20 the warden puts his rifle in the back of his pick up where he cannot possibly access it from the front seat.
The rolling end credits list a character "Jamie". Throughout the film the English captions consistently have "Jaime".