- HD 1080
- Runtime: 91m.
- Status: Released
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- Languages: it
- Country: Spain, Italy
- Director: Umberto Lenzi
- Stars: Carroll Baker, Alan Scott, Ida Galli, Eduardo Fajardo, Silvia Monelli
- keywords: mute, slasher, giallo
- Production_studio: Munidal Film
- providers: Screambox Amazon Channel
- The Knife of Ice is featured in the top rankings of 1972
- #37 in Top Crime Movies of 1972
- #38 in Top Thriller Movies of 1972
- #22 in Top Mystery Movies of 1972
- #31 in Top Horror Movies of 1972
A mute woman, traumatized by her parents' death, faces new horrors when her cousin is murdered by a suspected killer. As danger looms, the truth proves far more complex.