David Janssen would return in On the Battlefront, Every Minute is Important. Janssen was close friends with Naked City star Paul Burke in real life.
Constance Ford would go onto play matriarch Ada Davis on the long-running NBC daytime drama Another World.
Cameron: (to Detective) Now you go away from me, mister, or I'll hire two men to break your arm. I mean it.
Flint: Mrs. Cameron, who fired this gun the night before last?
Rhonda: It went off by itself--from the heat.
Flint: A woman with a temper like yours, Mrs. Cameron, shouldn't have a gun around.
Karen: (to Cameron) You don't know how to love only to lie about love.