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 Dr. Clayton Forrester
Ann Robinson
as Sylvia Van Buren
Lewis Martin
as Pastor Dr. Matthew Collins
Les Tremayne
as Maj. Gen. Mann
Frank Kreig
as Fiddler Hawkins (uncredited)
Vernon Rich
as Col. Ralph Heffner
Sandro Giglio
as Dr. Bilderbeck
Ann Codee
as Dr. Duprey (uncredited)
Robert Cornthwaite
as Dr. Pryor (as Bob Cornthwaite)
Cedric Hardwicke
as Commentary (voice) (as Sir Cedric Hardwicke)
Houseley Stevenson Jr.
as Gen. Mann's Aide (as Housely Stevenson Jr.)
William Phipps
as Wash Perry (as Bill Phipps)
