
An "unknown force" declares war against planet Earth when the United Nations disobeys warnings to cease and desist in its attempts at assembling the first satellite in the atmosphere.

as Dave Boyer

as Sybil Carrington

as Dr. Pol Van Ponder

as Cole Hotchkiss

as Jason ibn Akad

as Dr. Howard Lazar

as John Compo

as Brunet Helmsman of Satellite

as Blond Helmsman of Satellite

as Mr. LeMoine

as Jay

as Mitzi

as The President

as Crewman with Gun

as Reporter

as Ground Control (uncredited)

as Technician (uncredited)

as Reporter (uncredited)

as Reporter (uncredited)