Joe Estevez, who played the sailor driving the car (Don McCord), is the real-life younger brother of Martin Sheen, who played Don's brother in the movie.
Don's ride was a 1951 Ford coupe. Michael's ride was a 1934 Ford three-window coupe. The car that Lyle drove, and was subsequently killed in was a 1955 Mercury Montclair.
Vic Morrow's ride is a 1957 Plymouth Belvedere. 1957 and '58 Plymouth cars were a popular choice for late fifties police.
This was ABC-TV's 200th "Movie of the Week".
The sign above the jukebox in the diner says 'TRUCKERS SERVED FIRST',