- Country: USA
- Genres: Sci-Fi
- Release: 1976-07-08
- Director: Harry Hope , Lee Sholem
- Writers: Stuart J. Byrne
- Language: English
- Stars: Bobby Van , Ruta Lee , Mala Powers , James Craig , Grant Williams , Henry Wilcoxon (1905–1984) , Essie Lin Chia , Casey Kasem , Lorri Scott , Denny Miller
- Runtime: 83 min
- Awards: N/A
- AKA: Hydra - Verschollen in Galaxis 4 , Doomsday Machine , Doomsday Machine (United Kingdom) , Tuomiopäivä (Finland) , Машина Судного дня , Doomsday Machine (United States of America) , Doomsday , Doomsday Machine (Spain) , Escape from Planet Earth (United States of America) , The Doomsday Machine (United States of America) , Armageddon 1975 , Doomsday Machine (Canada)
- Plot: 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?
- IMDB:tt0061592
Doomsday Machine Cast · · · ALL
Harry Hope
Director
Lee Sholem
Director
Bobby Van
Danny
Ruta Lee
Dr. Marion Turner
Mala Powers
Maj. Georgianna Bronski
James Craig
Dr. Haines
Grant Williams
Maj. Kurt Mason
Henry Wilcoxon
(1905–1984)
Dr. Christopher Perry
Essie Lin Chia
Girl Spy
Casey Kasem
Mission Control Officer
Denny Miller
Col. Don Price
Mike Farrell
1st Reporter
John Cestare