The film's "Saturday the 14th" title spoofed the "Friday the 13th" film series franchise being made and released about a year after 1980's Friday the 13th (1980) and in the same year as 1981's Friday the 13th Part 2 (1981).
Lead stars Paula Prentiss and Richard Benjamin were married. This film is the final cinema movie collaboration of the two [to date, October 2013] though the two were later star-teamed in the 1983 tele-movie Packin' It In (1983) and Prentiss did appear uncredited in 1996's Mrs. Winterbourne (1996) which Benjamin directed.
Star Richard Benjamin was cast in the lead role in this film after two years earlier having made a standout supporting role performance in another horror comedy Love at First Bite (1979) which spoofed the Dracula legend. Saturday the 14th (1981) also featured vampires.
The film was rushed into production in order to beat the release of a similar horror-comedy film being made at United Artists, with the working title of "Thursday the 12th." The latter film was released under the title of Pandemonium (1982) to avoid confusion with the former.
Severn Darden portrays the classic Dracula character of vampire-hunter Van Helsing in this movie. Star Richard Benjamin had around two years earlier played the grandson of Van Helsing, Dr. Jeffery Rosenberg, in 1979's Love at First Bite (1979).