Hill's best known for his blaxploitation films, "Coffy" and "Foxy Brown" which he both wrote and directed. He was a classmate of Francis Ford Coppola and during the 60s he and Coppola worked for the master of the exploitation films, Roger Corman. Hill worked on the last of Boris Karloff's films. His 1975 film "Switchblade Sister" is now being re-released under the aegis of Quentin Tarantino's Rolling Thunder Films.