Zoltan's Friend
Por vez primera cambia el sexo del vampiro en la historia del cine. La condesa Marya Zaleska, miembro de la elite londinense, no es más que la hija del famoso aristócrata transilvano; lo cual nos es revelado a mitad del (breve) metraje, aunque sus afición al esoterismo y la brujería -y, por supuesto, el título- nos hacían sospechar ya dicha filiación.
Eddie Bradley
Young farmboy leaves for the big city to get a job and find his sister; both of them get involved with drug dealers and become opium/cocaine addicts.
Rudy Milnar
Reformed criminal Boston Blackie is outraged when a judge refuses to grant a pardon for a dying friend. He hires Norine, his now-dead friend's daughter, to get to the judge through his son Rudy. However, things don't work out quite as Blackie had planned.