Action Sci-Fi
Test space rockets exploding at liftoff and increased reporting of UFO sightings culminate in a direct attempt by alien survivors of a dead, extra-galactic civilization to invade Earth from impervious flying saucers, using ray-weapons of mass destruction.
Directed by
Fred F. Sears
Morris Ankrum
Brig. Gen. John Hanley
Harry Lauter
Cutting - Generator Technician (uncredited)
Frank Wilcox
Alfred Cassidy
Joan Taylor
Carol Marvin
John Zaremba
Prof. Kanter
Paul Frees
Alien (voice)
Clark Howat
Sgt. Nash (uncredited)
Hugh Marlowe
Dr. Russell A. Marvin
Bert Stevens
Air Intelligence Command Officer
Arthur Tovey
Officer/Civilian at Military Conference
Dale Van Sickel
Man Crushed Beneath Wall (uncredited)
Donald Curtis
Maj. Huglin
Thomas Browne Henry
Vice Adm. Enright
Larry J. Blake
Motorcycle cop
Nicky Blair
Military Officer at Experiment (uncredited)
Grandon Rhodes
Gen. Edmunds
William Woodson
Narrator (voice) (uncredited)
Charles Evans
Dr. Alberts (uncredited)
Forbes Murray
Military Officer at Experiment
Mike Ragan
Tank Commander (uncredited)
Sol Murgi
Plane Passenger (uncredited)
Sydney Mason
Frank the garage man
Alan Wells
Major Kimberly
Jimmy Cross
Military Messenger (uncredited)
Jack Deery
Military Officer (uncredited)
Raoul Freeman
Military Official (uncredited)
James Gonzalez
Military Official (uncredited)
Duke Green
Minor Role (uncredited)
Ed Haskett
Military Official (uncredited)
Don Marlowe
Minor Role (uncredited)
William Meader
Worker in Control Tower (uncredited)
William J. O'Brien
Radio Listener (archive footage) (uncredited)
Murray Pollack
Plane Passenger (uncredited)
Alan Reynolds
Maj. Kimberly (uncredited)
Guy Way
Civilian Observing Saucer Attack (uncredited)
Bob Whitney
Plane Passenger (uncredited)
Beal Wong
Chinese Radio Listener (uncredited)

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