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Spies discover that the Red Chinese have built a "doomsday machine" capable of destroying the surface of the Earth, and that they plan to use it within a matter of days. Meanwhile, Project Astra, a manned U.S. space mission to Venus, is in its final hours before launch when it is taken over by the military and nearly half of its all-male crew is replaced by women. The reason for this becomes apparent when, shortly after Astra leaves orbit, the Earth is completely destroyed in a global cataclysm! Is the human race doomed? What dangers and wonders await the crew of the Astra on their journey to Venus?

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  1. Stuart J. Byrne


  2. Harry Hope


  3. Herbert J. Leder


  4. Lee Sholem


Top Billed Cast

  1. Bobby Van

    Bobby Van


  2. Ruta Lee

    Ruta Lee

    Dr. Marion Turner

  3. Mala Powers

    Mala Powers

    Maj. Georgianna Bronski

  4. James Craig

    James Craig

    Dr. Haines

  5. Grant Williams

    Grant Williams

    Maj. Kurt Mason

  6. Henry Wilcoxon

    Henry Wilcoxon

    Dr. Christopher Perry

Full Cast & Crew

Movie Data


Status Released

Original Language English

Runtime 1h 23m

Budget -

Revenue -

Homepage -

Release Information

  • January 1, 1972



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