The Vampire Happening

An American actress inherits a Transylvanian castle, unaware that her ancestor was really a vampire countess, and has emerged from her tomb to ravage the nearby village and Catholic seminary

• 
  Freddie Francis

• 
  Pia Degermark
  Betty Williams / Clarimonde
• 
  Thomas Hunter
  Jens Larsen
• 
  Yvor Murillo
  Josef
• 
  Ferdy Mayne
  Count Dracula
• 
  Joachim Kemmer
  Martin
• 
  Oskar Wegrostek
  Abt
• 
  Lyvia Bauer
  Gabrielle
• 
  Daria Damar
  Kirsten
• 
  Ingrid van Bergen
  Miss Niessen
• 
  Raoul Retzer
  Graf Bernhard Ochsenstein
• 
  Uwe Friedrichsen
  Internatslehrer Jens Larsen (voice)
• 
  Ursula Heyer
  Betty Williams / Großmutter Clarimonde Catani
• 
  Beba Novak
  Vampire girl in white
• 
  Michael Janisch
  Handwerker
• 
  Wolfgang Draeger
  Schwuler Steward (voice) (uncredited)
• 
  Klaus W. Krause
  Der alte Diener Josef (voice) (uncredited)
• 
  Gerd Martienzen
  Fürst Christopher Dracula (voice) (uncredited)
• 
  Kurt Mühlhardt
  Graf Bernhard Ochsenstein (voice) (uncredited)
• 
  Hans Nitschke
  Various Roles (voice) (uncredited)