There's a bit of somber background music that's from the original Star Trek (1966) TV show, near the movie's end.
Final film of Barbara Bostock.
Similar to the previous year's hit film, CARRIE (the Stephen King adaptation by Brian DePalma), which also featured a bullied high school girl who uses her telekinetic powers against those she dislikes.
Susan Myers's debut.
Marneen Fields's debut.