Makes you quiver and quake!

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

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Main Cast: James Philbrook, Arturo Fernández, Soledad Miranda, José Bódalo, Ingrid Pitt, Antonio Casas, Lola Gaos, Francisco Piquer

Director: José Antonio Nieves Conde

Writers: Sam X. Abarbanel, Gregg Tallas, José Antonio Nieves Conde, Gregorio Sacristán

Editor: Margarita Ochoa

Cinematographer: Manuel Berenguer

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