Fourteen year-old Barry Williams guest stars, just nine months before his most famous role as eldest son Greg Brady on The Brady Bunch (1969).
Barbara Baldavin here plays Ed Wells' wife. Early in season 2, she would play a nurse who was Malloy's girlfriend.
This was Gary Crosby's first appearance as Officer Ed Wells in what was to be a recurring role. He would become somewhat of an antagonist for Reed and Malloy over the remainder of the series.
P&F = Police & Fire.
It is mentioned that Ed Wells has three children. It is the only time in the series that there is any mention of him having children.