Featured in "How the World Remade Hollywood," by Ed Glaser.
For some reason, after the film was released on video, the film and its first two sequels became regarded as public domain in America. Floods of inferior-quality releases have been floating around the market, usually sourced from their original U.S. VHS releases.
Roddy McDowall, Elliot Gould and Stuart Whitman were originally slated to star.
This is a remake of the Sylvester Stallone action movie, Cobra.