Luisa is called to the bed of her dying mother Edith at Karlstein Castle. Before she dies, she tells Luisa that the Karlsteins are a family of vampires and that her ancestor, the original Count Karlstein, lies buried in the crypt. Afterwards, Luisa goes and finds the count's coffin and discovers that he is undead. As she takes Karine, her cousin as her lover, a police inspector, Ptuschko investigates a series of killings around the town, dismissing the locals who insist these are being caused by vampires.
Carmen Yazalde
as Luisa Karlstein (as Britt Nichols)
Anne Libert
as Karine / Luisa's cousin / lover
Alberto Dalbés
as Ptuschko / Inspector (as Alberto Dalbes)
Howard Vernon
as Count Karlstein / Dracula
Daniel White
as Count Max Karlstein
Jesús Franco
as Cyril Jefferson
Fernando Bilbao
as Charlie, the reporter (uncredited)
Carmen Carbonell
as Baroness Edith Karlstein / Luisa's mother (uncredited)
Conchita Núñez
as Margot / the waitress (uncredited)
Eduarda Pimenta
as Dorian / Stripper (uncredited)
Yelena Samarina
as Ana Kramer (uncredited)
