Scientists investigate a huge meteor that crashes into the ocean off Mexico, and encounter a skyscraper-tall, mobile machine which is designed to syphon energy from earth, including any energy directed at it in an effort to destroy it.
Jeff Morrow
as Dr. Leslie Gaskell
Barbara Lawrence
as Vera Hunter
George O'Hanlon
as Dr. Arnold Culver
John Emery
as Dr. Hubbell Eliot
Morris Ankrum
as Dr. Albert Stern
Kenneth Alton
as McCrary - The Pickup Driver
Jose Gonzales-Gonzales
as Manuel Ramirez
Robert Forrest
as KGTK-TV Newscaster
Baxter Ward
as Second Newscaster
John Halloran
as Lab Central Security Guard
Marjorie Stapp
as Nurse
John Parrish
as Gen. Perry
