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.
Dick Miller
as Dave Boyer
Susan Cabot
as Sybil Carrington
Richard Devon
as Dr. Pol Van Ponder
Robert Shayne
as Cole Hotchkiss
Michael Fox
as Jason ibn Akad
Eric Sinclair
as Dr. Howard Lazar
Jered Barclay
as John Compo
John Brinkley
as Brunet Helmsman of Satellite
Tony Miller
as Blond Helmsman of Satellite
Bruno VeSota
as Mr. LeMoine
Jay Sayer
as Jay
Mitzi McCall
as Mitzi
