Reparto
Michael Rennie
Klaatu, alias Mr. Carpenter
Patricia Neal
Helen Benson
Billy Gray
Bobby Benson
Sam Jaffe
Prof. Jacob Barnhardt
Hugh Marlowe
Tom Stevens
Lock Martin
Gort
Freeman Lusk
General Cutler
Edith Evanson
Mrs. Crockett, landlady
Frank Conroy
Mr. Harley, Secretary to the President
Frances Bavier
Mrs. Barley, boarder
John Brown
George Barley, boarder
Olan Soule
Mr. Krull, boarder
Harry Lauter
Lieutenant in Charge of Landing Site
Robert Osterloh
Army Examining Doctor
Tyler McVey
Brady
House Peters Jr.
M.P. Captain at Barnhardt's
George Lynn
Conference Colonel Ryder
Dorothy Neumann
Margaret, Tom's secretary
Wheaton Chambers
Mr. Bleeker, jeweller
Carleton Young
Zone Five Lieutenant Colonel
Harry Harvey
The Cab Driver
Bess Flowers
Lady Outside Jewelry Store
James Seay
Government Man
Stuart Whitman
Sentry (scene deleted)
Guy Williams
Radio Operator (uncredited)
