To capitalize on the fame of the Boston Strangler with Tony Curtis, local investors produced this in and around the infamous Combat Zone in Boston, Massachusetts.
The name Salvatore Sezar appears for a few seconds in the opening credits as an Executive Producer but is excluded from the cast and crew online.
Although titled Judy, the character of Judy is a minor character with very little screen time. It is speculated that due to the popularity of Judy Books for Girls and Judy magazines, the produced changed the title of the movie to capitalize on this.