Back 
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.
Release : July 04, 1956
Budget : $0.00
Revenue : $0.00
Duration : 83 minutes
Rating : 6.00
Dr. Russell A. Marvin
Carol Marvin
Maj. Huglin
Brig. Gen. John Hanley
Vice Adm. Enright
Gen. Edmunds
Prof. Kanter
Alien (voice)
Alfred Cassidy
Frank the garage man
Motorcycle cop
Air Intelligence Command Officer
Military Officer at Experiment
Officer/Civilian at Military Conference
Major Kimberly
Military Officer at Experiment (uncredited)
Military Messenger (uncredited)
Military Officer (uncredited)
Dr. Alberts (uncredited)
Military Official (uncredited)
Alien (voice) (uncredited)
Military Official (uncredited)
Minor Role (uncredited)
Military Official (uncredited)
Sgt. Nash (uncredited)
Cutting - Generator Technician (uncredited)
Minor Role (uncredited)
Worker in Control Tower (uncredited)
Plane Passenger (uncredited)
Military Officer at Experiment (uncredited)
Radio Listener (archive footage) (uncredited)
Plane Passenger (uncredited)
Tank Commander (uncredited)
Maj. Kimberly (uncredited)
Man Crushed Beneath Wall (uncredited)
Civilian Observing Saucer Attack (uncredited)
Plane Passenger (uncredited)
Alfred Cassidy (uncredited)
Chinese Radio Listener (uncredited)
Narrator (voice) (uncredited)
June 11, 1982
June 25, 1996
July 02, 1997
July 03, 2002
September 28, 1951
March 23, 1956
June 01, 1955
December 14, 1977
May 20, 1998
December 08, 1994
December 03, 2001
February 05, 1956
November 04, 1988
March 07, 2003
June 07, 2016
December 25, 1998
November 19, 2004
July 25, 1997