Slaughter In San Francisco (1977)

aka’s: Chuck Norris vs. The Karate Cop/
Huang Mian Lao Hu/Karate Cop/Yellow Faced Tiger/黃面老虎

An early Chuck Norris kung fu film where Chuck plays a drug king in San Francisco who owns everyone, the police department included. He finds his match when a young police officer (Don Wong), avenging the death of his partner, stands up to the drug lord’s power and fights him and the entire system.

The role of the drug king was originally intended for Bruce Lee. Chuck Norris was approached for the role while attending Bruce Lee’s funeral in Hong Kong.