Three actors are the offspring of Hollywood legends. Series regular Gary Crosby is the son of Bing Crosby. Brother and sister guest stars Frank Sinatra Jr. and Tina Sinatra are the son and daughter of Frank Sinatra.
The second time a character with the name Gus Archer appears in the series, this time the owner of a flower stand played by Herb Vigran. In Log 103: A Sound Like Thunder (1969), the other Gus Archer was played by Ralph Moody.
In an unintentional "ick" factor, the character portrayed by Frank Sinatra Jr. is dating the character portrayed by his real life sister, Tina Sinatra. Shades of incest.
When Malloy and Reed follow the speeding green Corvette, they are really driving along Oakdell Road before turning onto El Cerro Lane, when they lose them. El Cerro Lane is a relatively short dead-end street with no way out.
In Log 152: A Dead Cop Can't Help Anyone (1969), Ed Wells' wife's name is Betty. Here, it is Eileen.