
"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.
Hank Scott

Teresa Alvarez

Artur Ramos

Juanito
Dr. Velazco

José de la Cruz

Florentina

Major Cosio

Father Delgado
Train conductor (uncredited)

Victor Steven (uncredited)
Chumacho (uncredited)

Lineman killed on pole (uncredited)

Villager (uncredited)
Villager (uncredited)
Narrator (voice) (uncredited)
