Volcanic activity frees giant scorpions from the earth who wreak havoc in the rural countryside and eventually threaten Mexico City.
Paul Yawitz | Story |
David Duncan | Screenplay |
Robert Blees | Screenplay |
Edward Ludwig | Director |
Willis H. O'Brien | Visual Effects |
Pete Peterson | Animation |
Frank Melford | Producer |
Wah Chang | Creature Design |
Jack Dietz | Producer |
Willis H. O'Brien | Special Effects Supervisor |