Kojak makes a joke about him being in a Marty Allen look-alike contest. This was an inside joke, because Telly Savalas's real life brother,George Savalas, with his head of curly black hair, does indeed look quite a bit like Marty Allen.
First credited role for Judith Light.
As one of the hitmen in the final scene, this was one of the first acting credits for Mark Margolis, who would later go on to play gangster Hector Salamanca on "Breaking Bad" (2008) and "Better Call Saul" (2015).