A beautiful virgin inherits a castle, but when she arrives at it, she finds that the inhabitants include a strange nobleman and a bevy of beautiful women she suspects may be vampires.
| Actor | Role |
|---|---|
 Anita EkbergSylvia De Morel / Malenka | Sylvia De Morel / Malenka |
 Julián UgarteCount Walbrooke / Uncle | Count Walbrooke / Uncle |
 Gianni MediciDr. Pietro Lufuani | Dr. Pietro Lufuani |
 Diana LorysBertha Zemis | Bertha Zemis |
 Rosanna YanniFreya Zemis | Freya Zemis |
 Adriana AmbesiBlinka | Blinka |
| CCésar BenetMax | Max |
 Carlos CasaravillaDr. Horbringer | Dr. Horbringer |
 Fernando BilbaoVladis the Coachman | Vladis the Coachman |
| AAdriana SantucciThe Count's Maid | The Count's Maid |
| JJuanita RamírezBrugard - the Inn's Barmaid | Brugard - the Inn's Barmaid |
 Paul MüllerDr. Albert | Dr. Albert |
| AAurelia TreviñoWoman with Torch in a Crowd | Woman with Torch in a Crowd |
| LLuciano MelaniVillager at the Inn (uncredited) | Villager at the Inn (uncredited) |
 Luis PrendesVillager Standing at the Inn (uncredited) | Villager Standing at the Inn (uncredited) |