Black Gunn (1972)

A successful and popular nightclub owner who believes financial independence is the path to equality and success, must act as a go-between for militant-minded brother and the white gang syndicate his brother has attacked and robbed. Their involvements lead to a breathless race course chase, the destruction of a dopepusher and a violent waterfront climax.
Robert Hartford-Davis
Jim Brown, Martin Landau, Brenda Sykes, Luciana Paluzzi, Vida Blue, Stephen McNally, Keefe Brasselle, William Campbell, Bernie Casey, Gary Conway, Bruce Glover, Jeannie Bell, Timothy Brown, Mark Tapscott
tt0068281