While driving through the desert with his wife Carol Marvin to a military base to send the eleventh rocket to the orbit of Earth for helping the exploration of the outer space in the Operation Sky Hook, Dr. Russell A. Marvin and Carol see a flying saucer and accidentally records a message in their tape recorder. Once in the base, Dr. Russell is informed by his father-in-law and general that the ten first satellites had mysteriously felt on Earth. When Dr. Russell decodes the message, he encounters the aliens that ask him to schedule a meeting with the leaders of Earth in Washington in 56 days with the intention to invade Earth without panicking the population. Dr. Russell develops an anti-magnetic weapon that becomes that last hope of human race against the hostile aliens.
演员:朱莉·克里斯蒂 奥斯卡·威内尔 西里尔·库萨克 安东·迪夫伦 杰瑞米·斯宾塞 比·达夫尔 Alex Scott Gillian Aldam 迈克尔·巴尔弗 安·贝尔 伊冯·布雷克 Arthur Cox Frank Cox Fred Cox Noel Davis 凯文·埃尔登 Joan Francis 丹尼斯·吉尔摩 David Glover Arthur Haynes 马克·莱斯特 Michael Mundell Anna Palk 唐纳德·皮克林 Reg Thomason Tom Watson Earl