Trivia: Michael Myers' mask is a Captain Kirk mask painted white with ruffled hair and a few other tweaks.
Trivia: While the two men are preparing for the raiders towards the film's end (as they lower the gates, etc.), the music playing is the same as that which accompanied the opening credits of "Monty Python and the Holy Grail."
Trivia: Originally, Damien was going to be 15 instead of 12. He would also have had a girlfriend, so that when he discovered that he was the Antichrist, he would be torn between love and destiny. This idea was ultimately scrapped.
Trivia: In the opening title sequence we see a garbage truck going through the Golden Gate Bridge toll booth. We would find out later that these trucks were used to transport the pods. The truck is traveling southbound from Marin County into San Francisco which is appropriate, (intentional or not) since the book Body Snatcher was set in Mill Valley, in Marin County, about 10 miles from the bridge.
Trivia: Irwin Allen was so disheartened by the amount of money he lost on this film that he forbade any of his employees to ever mention it again, and even cut short an interview when a question was asked about it.
Trivia: In this film Gregory Peck is attacked by large vicious dogs, dogs that can be trained to attack and kill; and in the film "The Omen", again Gregory Peck is attacked by very (or the same) vicious dogs.