Nicholas Hill

In this martial arts actioner, a kickboxer's life goes into the gutter after he accidentally kills an opponent during an important bout. Devastated, the distraught fighter becomes a street bum until his brother's murder by a drug-lord rouses him into a frenzy for revenge. Kickboxer Johnny Rider's (Dale "Apollo" Cook) target is narcotic kingpin Rod Sparks (Nick Hill). In order to bring him down, Johnny joins Sparks' organization as a goon. (answers.com)

A karate expert enters a deadly underground tournament to avenge one of his students who was killed there and stop the disgraced martial arts champion who organized this deadly competition.

A kickboxing champ and a reporter are searching for a missing man, but they turn up a series of illegal kickboxing matches run by an arms dealer. (imdb)

A warrior from another planet must battle six opponents from different parts of the universe. (imdb)