Sidney Miller reprised the "Jay Simmons" character three years later in the Adam-12 episode Log 35: Easy, Bare Rider (1970).
At the beginning of the show, Friday and Gannon are at a meeting of American Legion LAPD Post 381. This is the actual post number for the LAPD American Legion post.
At the bar, Friday uses Joe Frazier as his undercover name. In the season three show "Vice: DR-30", he also used Joe Frazier as his undercover name.
The character of Sgt. Bill Riddle was reprised in the season two show "The Big Frustration", but was played by Bill Williams.