The residents of a small town are excited when a flaming meteor lands in the hills, until they discover it is the first of many transport devices from Mars bringing an army of invaders invincible to any man-made weapon, even the atomic bomb.
Gene Barry
as Clayton Forrester
Ann Robinson
as Sylvia Van Buren
Lewis Martin
as Matthew Collins
Les Tremayne
as General Mann
Frank Kreig
as Fiddler Hawkins (uncredited)
Vernon Rich
as Ralph Heffner
Sandro Giglio
as Dr. Bilderbeck
Ann Codee
as Dr. Duprey (uncredited)
Robert Cornthwaite
as Dr. Pryor
Cedric Hardwicke
as Commentary (voice)
Houseley Stevenson Jr.
as General Mann's Aide
William Phipps
as Wash Perry
