- HD 1080
- Runtime: 91m.
- Status: Released
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- Languages: it
- Country: France, Italy
- Director: Antonio Margheriti
- Stars: Barbara Steele, Georges Rivière, Margrete Robsahm, Arturo Dominici, Silvano Tranquilli
- keywords: bet, vampire, castle, gothic horror, gothic, ghost
- Production_studio: Vulsinia Films, Giovanni Addessi Produzione Cinematografica, Ulysse Productions
- Slogan: The living and the dead change places in an orgy of terror!
- providers: Night Flight Plus, ARROW, Cultpix, Troma NOW
- The Castle of Blood is featured in the top rankings of 1964
- #14 in Top Thriller Movies of 1964
- #4 in Top Horror Movies of 1964
When a cynical journalist accepts a wager that he won't survive the night in a haunted castle, it unlocks an odyssey of sexual torment, undead vengeance, and a dark seductress who surrenders the gravest of pleasures.