No Retreat, No Surrender 3: Blood Brothers (1990)
Two feuding brothers (one a policeman, the other a martial arts expert) of different political views, join forces to avenge the death of their father, a retired agent, killed by the mafia.
Directed by: Lo Yuen-Ming
Starring: Loren Avedon, Keith Vitali, Joseph Campanella, Wanda Acuna, Rion Hunter, Luke Askew
Links: IMDb, Movie posters, Movie stills