Volcanic activity frees giant scorpions from the earth who wreak havoc in the rural countryside and eventually threaten Mexico City.
Movie tag line: "Every horror you've seen on the screen grows pale beside the horror of..."
Production companies:
Character: Hank Scott
Character: Teresa Alvarez
Character: Artur Ramos
Character: Juanito
Character: Dr. Velazco
Character: José de la Cruz
Character: Florentina
Character: Major Cosio
Character: Father Delgado
Character: Train conductor (uncredited)
Character: Victor Steven (uncredited)
Character: Chumacho (uncredited)
Character: Lineman killed on pole (uncredited)
Character: Villager (uncredited)
Character: Villager (uncredited)
Character: Narrator (voice) (uncredited)