This was written by director Edward Dein along with his wife, Mildred Dein. It was claimed to have been written by the couple as a lark, with no expectation of it actually being acquired for production.
This is believed to be the first western to involve a vampire (the supernatural kind).
Drake Robey's real name is Don Drago Robles according to the backside of the 1860 photograph that is found hidden.
Director/co-writer Edward Dein initially wanted to show Drake Robey as a shadowy figure riding a horse across the landscape at the very start of this film.
This was the last script by writer Mildred Dein, wife of director/writer Edward Dein.