The first movie to be broadcast on television in 3-D.
Offered to theaters in both 3-D and a standard 1.85:1 format.
The mad magician disposes of some of his first victim's remains by burning them on a huge bonfire built as part of an outdoor student celebration. This echoes a famous scene in the 1944 film "Hangover Square", where Laird Cregar, as a deranged killer, gets rid of the corpse of the Linda Darnell character in the same way during a Bonfire Night celebration. Both films were directed by John Brahm.
The music playing in the restaurant when Gallico catches up with Karen, attempting to get his carrying bag she accidentally picked up, is a string version of the classic song "Santa Lucia", probably made most popular in a recording by legendary tenor Enrico Caruso.