 The credits misspell the author of the poem as by "Edgar Allen Poe"; in Corman's other Poe films, the author's middle name is spelled correctly.The film paired Price with Debra Paget and Lon Chaney Jr.; Paget retired from acting following completion of the film, and Chaney, famous for playing "The Wolf Man", made only this one appearance in a Corman film.He had co-starred with Price in "Abbott and Costello Meet Frankenstein" fifteen years earlier, but they didn't share any scenes; Price's participation was a voiceover role (as The Invisible Man) and he never appeared on-screen.