The title "The Stalking Horse" refers to a figure used to test a concept or mount a challenge on behalf of an anonymous third party. The term stalking horse originally derived from the practice of hunting. Hunters noticed that many birds would flee immediately on the approach of humans, but would tolerate the close presence of animals such as horses and cattle.
Barnaby Jones spends nearly the entire time wearing an off-white safari jacket with different shirts (white, beige, brown) underneath and an ascot. He sports a brown safari hat with a leopard print trim, and talks with a scruff, raspy voice and his mouth crooked to the side. Nina Foch's gorgeous short hair is a wig that she removes at the end of her stint. She reveals sparse, dingy hair underneath.
The car Denver Pyle is chauffeured around in is a 1949-1951 Ford .
Sandra de Bruin's fourth of six appearances on Barnaby Jones.
When Barnaby drives his client's green station wagon company car it has the same license plate number as Barnaby's own brown LTD.