Jonathan Goldsmith, who plays Nick Gentry (as Jonathan Lippe), would later become world famous as "The Most Interesting Man in the World" in Dos Equis beer commercials from 2007 to 2016.
The pretty blonde hitchhiker whom the officers ticket, confesses to being 16 and not 18, as she first claimed. The actress looked about 10 years older than that. In reality, Astrid Warner was almost 20 years older than her character, being 35 at the time of filming.
The missing girl's car is a 1969 Camaro RS/SS convertible, a collectible.
Guest star Jonathan Goldsmith has the same birthday, September 26th, as series star Kent McCord. Goldsmith was born in 1938, McCord in 1942.