- Country: Spain
- Genres: Horror
- Release: 1967-10-13
- Director: José Antonio Nieves Conde
- Writers: Sam X. Abarbanel , Gregg G. Tallas , José Antonio Nieves Conde , Gregorio Sacristán de Hoyos
- Language: Spanish
- Stars: James Philbrook , Arturo Fernández , Soledad Miranda , José Bódalo , Ingrid Pitt , Lola Gaos , Francisco Piquer , Antonio Casas
- Runtime: 91 min
- Awards: N/A
- AKA: El sonido prehistórico (Spain) , El sonido de la muerte (Spain) , Sound from a Million Years Ago , Sound of Horror (United Kingdom) , El sonido de la muerte , El sonido de la muerte (France, French Republic) , Prigionieri dell'orrore (Italy) , Sound of Horror (United States of America) , The Prehistoric Sound
- Plot: When a group of isolated people in the Greek mountains set off a cave explosion, they are menaced by an invisible shrieking dinosaur that had been buried for eons.
- IMDB:tt0058601
Sound of Horror Cast · · · ALL
José Antonio Nieves Conde
Director
James Philbrook
Dr. Pete Asilov
Arturo Fernández
Pete
Soledad Miranda
Maria
José Bódalo
Mr. Dorman
Ingrid Pitt
Sofia Minelli
Antonio Casas
Prof. Andre
Lola Gaos
Calliope, the housekeeper
Francisco Piquer
Stravos