An alien and a robot land on Earth after World War II and tell mankind to be peaceful or face destruction.
as Klaatu, alias Mr. Carpenter
as Helen Benson
as Bobby Benson
as Prof. Jacob Barnhardt
as Tom Stevens
as Gort
as General Cutler
as Mrs. Crockett, landlady
as Mr. Harley, Secretary to the President
as Mrs. Barley, boarder
as George Barley, boarder
as Mr. Krull, boarder
as Hilda, Barnhart's secretary
as Elmer Davis
as H. V. Kaltenborn
as Drew Pearson
as Gabriel Heatter (voice)
as Lieutenant in Charge of Landing Site
as Army Dr. White
as Balding Army Doctor
as Army Examining Doctor
as Radio Interviewer at Landing Site
as Brady
as M.P. Captain at Barnhardt's
as Conference Colonel Ryder
as Margaret, Tom's secretary
as Mr. Bleeker, jeweller
as Zone Five Lieutenant Colonel
as The Cab Driver
as Sammy, boy witness
as Lady Outside Jewelry Store
as Government Man
as Radar Operator
as Indian Newscaster
as British Newscaster
as Sentry (scene deleted)
as Scientific Delegate
as British Radio Announcer
as Radio Announcer (voice)
as Radio Operator (uncredited)
