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
Frank Wilcox
Alfred Cassidy
John Zaremba
Prof. Kanter
Paul Frees
Alien (voice)
Thomas Browne Henry
Vice Adm. Enright
Dale Van Sickel
Man Crushed Beneath Wall (uncredited)
Bert Stevens
Air Intelligence Command Officer
Joan Taylor
Carol Marvin
Donald Curtis
Maj. Huglin
Murray Pollack
Plane Passenger (uncredited)
Arthur Tovey
Officer/Civilian at Military Conference
Morris Ankrum
Brig. Gen. John Hanley
Larry J. Blake
Motorcycle cop
Hugh Marlowe
Dr. Russell A. Marvin
William Woodson
Narrator (voice) (uncredited)
Forbes Murray
Military Officer at Experiment
Harry Lauter
Cutting - Generator Technician (uncredited)
Clark Howat
Sgt. Nash (uncredited)
Charles Evans
Dr. Alberts (uncredited)
Mike Ragan
Tank Commander (uncredited)
Sol Murgi
Plane Passenger (uncredited)
Nicky Blair
Military Officer at Experiment (uncredited)
Grandon Rhodes
Gen. Edmunds
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)
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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