"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
Don Eitner
as Air Force Meteorology Sergeant
Ron Kennedy
as Air Force Control Tower Sergeant
Gordon Mills
as Sergeant
Rosa Turich
as Manuel's Wife
Robert Shayne
as Air Force General
Richard Harrison
as Pilot
Kurt Neumann
Director
Lawrence L. Goldman
Screenplay
Irving Block
Story
Producer
Paul Sawtell
Original Music Composer
Jack Rabin
Bert Shefter
Karl Struss
Director of Photography
Chester L. Bayhi
Set Decoration
Walter M. Scott
Louis DeWitt
Theobold Holsopple
Production Design
Jodie Copelan
Editor
E.J. Baumgarten
Executive Producer
Richard Staub
Wardrobe Supervisor
Special Effects
James Mobley
Sound
William Reinhold
Menrad von Mulldorfer
Louis Hippe
Makeup Artist
Mary Tate
Herbert E. Mendelson
Production Manager
Louis de Witt
Gene Warren
Max Goldman
Property Master
Nadine Denks
Hairstylist