Both Robert Morse and Read Morgan, who played the motorcycle cop, died on April 20, 2022, ages 90 and 91, respectively.
Mr. Underhill's car is a 1958 Mercury Turnpike Cruiser, Mercury's most expensive car for 1957 and '58..
The title "Hitch Hike" is a sly reference to the Presenter. "Hitchhike" is normally written as a single word.