Trivia: When Harry is being run all over town by Scorpio, he passes a wall which bears the graffiti "Kyle", the name of Clint Eastwood's son.
Trivia: Steven Spielberg "interviewed" over 100 trucks before finding the forboding, evil looking one for the movie.
Trivia: Unknown at the time, two future Star Trek references are made in this film. The director, Robert Wise, would go on to direct Star Trek: The Motion Picture, and at the end of the film when discussing the cloud seeding, a caption on the video monitor reads out "Nimbus 3". This was the name of the planet on which Sybok takes prisoners in Star Trek V: The Final Frontier.