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After a young man is killed in an unexplored subterranean cavern and his girlfriend driven mad by something she saw there, a track found at the scene cannot be identified with any known animal and thus a scientific expedition is launched to find out just what it is that is living there.Read moreLess
After a young man is killed in an unexplored subterranean cavern and his girlfriend driven mad by something she saw there, a track found at the scene cannot be identified with any known animal and thus a scientific expedition is launched to find out just what it is that is living there.
The story
After a young man is killed in an unexplored subterranean cavern and his girlfriend driven mad by something she saw there, a track found at the scene cannot be identified with any known animal and thus a scientific expedition is launched to find out just what it is that is living there.
Cast & crew
José Elías MorenoProfesor Díaz
Carlos CortésDr. Pena
Kitty de HoyosHilda Ramírez
David ReynosoJaime Rocha
Columba DomínguezLaura Ponce
Javier SolísDr. Manuel Ríos
Carmen MolinaJulia
Ramón BugariniApolinar
Carlos NietoNovio de Julia
Armando AcostaGerente de gruta (uncredited)
Roberto MeyerPadre de Julia (uncredited)Explore the crew
- Director
- Alfredo B. Crevenna
- Producer
- Jesús Sotomayor Martínez
- Director of Photography
- Raúl Martínez Solares
- Editor
- Carlos Savage