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