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

Dr. Velazco

José de la Cruz

Florentina

Major Cosio

Train conductor (uncredited)

Chumacho (uncredited)

Lineman killed on pole (uncredited)

Narrator (voice) (uncredited)
October 11, 1957

Hank Scott

Teresa Alvarez

Artur Ramos

Dr. Velazco

José de la Cruz

Florentina

Major Cosio

Train conductor (uncredited)

Chumacho (uncredited)

Lineman killed on pole (uncredited)

Narrator (voice) (uncredited)
