No Retreat, No Surrender (1986)

Young Jason Stillwell (Kurt McKinney) moves with his parents to Seattle, where local bullies harass them without mercy. Jason’s father Tom (Tim Baker) does not believe in violence, so the family takes it on the chin. One day Jason enrolls in a martial arts class and quietly rises in rank to be a major contender. His mettle is tested in an international match against Ivan, a Russian champion.