Following the discovery of a doomsday machine capable of destroying Earth, the launch of a US space mission to Venus is taken over by the military.
Danny
Dr. Marion Turner
Maj. Georgianna Bronski
Dr. Haines
Maj. Kurt Mason
Dr. Christopher Perry
Girl Spy
Mission Control Officer
Lt. Katie Carlson
Col. Don Price
1st Reporter
Major / Astronaut
Woman Reporter
