In 1986, a Florida satellite television tech named John R. MacDougall successfully intercepted HBO broadcasting for nearly five minutes with a message of protest regarding their rates. For this event, he referred to himself as "Captain Midnight", inspired by this film (which he'd seen a short time earlier). MacDougall was subsequently prosecuted by the FCC, and slapped with a fine of US$5000 and one year of probation.
Mia Kovacs who plays "Spunky" died in a car accident in 1982. Her father was comedian Ernie Kovacs who also died in a car accident.
Although the film was released in 1979 the film is copyrighted 1977 in the end credits.
This American movie is an example of a small genre of exploitation movies known as ''Vansploitation'' which were all mostly made during the mid to late 1970s.