A mining engineer investigates the deaths of his colleagues, discovering prehistoric nymphs and a creature capable of flying - and wreaking havoc - at supersonic speeds.

Cast:Keye Luke, Aya Oyama, George Takei, Paul Frees, Marvin Miller, James Yagi,

Genre:Science Fiction, Horror,

country:United States of America, Japan,

Production:King Brothers Productions, Distributors Corporation of America (DCA), Metro-Goldwyn-Mayer, TOHO, Far East Laboratory,