The footage of the medical team trying to save the policeman's life is taken from Pig in a Blanket (1972).
Danny Goldman (who plays the bookish serial killer Eddie Josephs) was a longtime character actor who was perhaps best known for being the voice of Brainy Smurf on The Smurfs (1981) cartoon in the 1980s.
The Asiam cargo company truck Chin is driving near the end was also the name of the cargo and freight company in the season four show "Air Cargo - Dial for Murder".