1h 18m
•
Science Fiction
Horror
Adventure
Fantasy
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.
User rating
5.9 / 10
19 votes
JosĂ© ElĂas Moreno
Profesor DĂaz
Kitty de Hoyos
Hilda RamĂrez
David Reynoso
Jaime Rocha
Columba DomĂnguez
Laura Ponce
Javier SolĂs
Dr. Manuel RĂos
Carmen Molina
Julia
Carlos Nieto
Novio de Julia
Armando Acosta
Gerente de gruta (uncredited)
Roberto Meyer
Padre de Julia (uncredited)
Inés Murillo
Turista (uncredited)