AD Ward: (to Erskine about the case) From now on Lewis, we will see to it that you get only cases that involve normal, well adjusted enemies of society.
The good inspector must have spent all the air transport budget for the month as he was hitching rides from the US Air Force in a T-38 jet, tail number 38-135.
"The Divided Man" refers to the fact that Mason, the antagonist, has the mental illness schizophrenia. He would blow up chemical plants and later wonder why he did it!
Jaqueline Scott took time off from her recurring role of Donna Kimble Taft (Dr. Richard Kimble's sister) on "The Fugitive", another QM(Quinn Martin) series. She also guest starred on other Quinn Martin Shows including "Streets of San Francisco", "Barnaby Jones" and "Cannon".