
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.
Richard DenningHank Scott
Mara CordayTeresa Alvarez
Carlos RivasArtur RamosMario NavarroJuanito
Carlos MúzquizDr. Velazco
Pascual García PeñaJosé de la Cruz
Fanny SchillerFlorentina
Arturo MartínezMajor CosioPedro GalvánFather Delgado
José ChávezTrain conductor (uncredited)Manuel Sánchez NavarroVictor Steven (uncredited)
Roberto ContrerasChumacho (uncredited)
Quintín BulnesLineman killed on pole (uncredited)Isabel VázquezVillager (uncredited)Leonor GómezVillager (uncredited)