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