This is Jack Grinnage's last appearance as recurring character Ron Updyke. Although Grinnage was contracted for every episode of the series, he was released because he had an appearance scheduled in a pilot filming elsewhere, and the producers had been informed by ABC that this series was canceled. (From Mark Dawidziak's 'The Night Stalker Companion.)
As seen in from the overhead shot of lakeside Chicago during the opening scene, the cars on the highway are seen driving in the opposite direction that they should be for the lane that they are in.
Jack Grinnage's character, Ron Updike, states in the news room that with proper Diet and Exercise that a person can live to 90. Jack Grinnage, ironically, as of January 20, 2021, is 90 years old and the last surviving member of the cast.
Body count: 5