John Carradine's character is named Richmond Reed, which is Carradine's actual first and middle names. He was born Richmond Reed Carradine.
This movie can be watched in the player's house in the video game "High On Life" released December 13th, 2022.
John Carradine's opening speech is Juliet's soliloquy, Act II Scene III from Shakespeare's "Romeo and Juliet." He later quotes Whitman's "When Lilacs Last in the Dooryard Bloom'd", Isaiah 63.3, and Shakespeare's "Hamlet" and "A Midsummer Night's Dream."
Aquarius Releasing distributed the film in 1979 as "Vampire Hookers of Horror" with Death Force - Il samurai nero (1978) added as a second feature.