David Janssen's character Robert Douglas says to the Sergeants: "You might do better farming back in Nebraska." In fact, Janssen was born in Nebraska.
About eight years prior to this TV movie, a young Joanna Pettet was a guest star in Shadow of the Swan (1966) with David Janssen.
Four years later, Lance LeGault would appear with David Janssen again in Nowhere to Run (1978), but would play a much more menacing character.