as Jerry Sparks, the rival fighter and formidable villain Clu Gulager and Ron O'Neal in key supporting roles Technical Review: 1080p REMUX Blu-ray
as Detective Mandy Rust, who shares a strong on-screen chemistry with Norris
: When undercover narcotics officers in San Diego are mysteriously murdered by a masked assassin using martial arts, the police department enlists world karate champion Matt Logan (Chuck Norris) to train them in self-defence and help identify the killer.
Based on recent high-definition transfers (such as the Kino Lorber Special Edition ), the film has seen a significant visual upgrade: A Force of One (1979) - IMDb